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LATEST UPDATE:  November 15, 2014 — Kīlauea


Active breakouts persist on June 27th flow

The HVO field crew today reports that scattered breakouts remain active on the June 27th flow. This photo shows the most distant active breakout from Puʻu ʻŌʻō, and the closest breakout to Pāhoa Village Road. This breakout was a short distance north of the cemetery and roughly 650 meters (0.4 miles) upslope of Pāhoa Village Road.

November 14, 2014 — Kīlauea


Breakouts remain active upslope of stalled flow front

The June 27th lava flow remains active, with scattered breakouts upslope of the stalled flow front. The closest active breakouts to Pāhoa Village Road were a short distance north of the cemetery, and approximately 700 meters (0.4 miles) upslope of Pāhoa Village Road. Most activity, however, was upslope of Apaʻa St./Cemetery Rd. A portion of this activity was focused along a lobe that was upslope of the transfer station, about 230 meters (250 yards) upslope of Apaʻa St.
Left: This photo shows a close up of the flow around Cemetery Rd./Apaʻa St. In the lower right, the partially buried cemetery can be seen. Just above the center of the photo, lava reached the southeast portion of the transfer station. The house destroyed earlier this week is across the street from the transfer station. The broad lobe of lava upslope of the transfer station was still active today, and moving through thick vegetation, producing smoke. Right: Another view of the Apaʻa St./Cemetery Rd. area, looking towards the east. Lava reached the southeast portion of the transfer station, but stalled. Two small breakouts were active near the transfer station today, but had not expanded the flow margin significantly. At the top of the photograph, buildings situated along Pāhoa Village Road can be seen.
This shows a comparison of a normal photograph with a thermal image of the flow front. The white box shows the approximate extent of the thermal image. Although the leading tip of the flow stalled on October 30, breakouts remain active upslope around the cemetery, transfer station, and farther upslope. White and yellow colors in the thermal image show the areas of active breakouts.
A close up of activity near the transfer station, shown by a normal photograph and a thermal image. The thermal image shows the extent of active breakouts much more clearly than the naked eye. For instance, two small breakouts around the transfer station (marked by two arrows) are obvious in the thermal image but difficult to see in the normal photograph.

Increase in active breakouts around transfer station and cemetery over past week

These thermal images compare activity around the flow front on November 5 and 14, 2014. White and yellow colors show areas of active breakouts. On November 5 relatively few breakouts were active in this portion of the June 27th flow, with a few small breakouts near the cemetery and one breakout a few hundred meters upslope of the transfer station. On November 14, however, scattered breakouts were abundant in this area, with new activity significantly expanding the flow margins around the cemetery and a new lobe active upslope of the transfer station.

November 13, 2014 — Kīlauea


Transfer Station Lava Terminus

Terminus of the flow entering the Pāhoa transfer station. Compare to a similar image taken on November 11. There are no active toes of lava in the image, but the lava is still hot enough to burn the asphalt beneath, creating visible white smoke.

Breakout downslope of the Pāhoa transfer station

Breakout of pāhoehoe lava downslope of the house that burned on November 10. The photo is looking northwest.

Burst Tumuli

Left: As inflation occurs within the core of a pāhoehoe flow, a tumulus (http://volcanoes.usgs.gov/images/pglossary/tumulus.php), or domed hill, can form. Occasionally the pressure within the flow can exceed the strength of the pāhoehoe crust, resulting in an outpouring of lava from the core of the tumulus. Lava burst from this tumulus, left side of photo along the skyline, approximately 35 yards downslope of the cemetery. A rocky block, presumably from the top of the tumulus, rests where the outpouring of lava began. Right: Another view of the burst tumulus, looking northwest. The rocky block is visible in the center left of the image.
Left: A view looking along the transfer station's outer fence, which lava burst through recently. Lava then flowed down the embankment onto the low access road (right side of photo). Right: An HVO geologist encounters a small brush fire along the margin of the lobe that was active a few hundred meters upslope of the transfer station.

November 12, 2014 — Kīlauea


June 27th flow lobes active upslope and downslope from Apaʻa Street

Left: Lava continues to advance downslope in several places along the distal part of the June 27th lava flow, as seen in this photo. The most active breakout is the flow to the right, which forms a relatively narrow finger about 360 meters (390 yards) upslope from Apaʻa Street. Other breakouts include a tiny lobe that is encroaching on the solid waste transfer station, the narrow flow that destroyed and bypassed the house across the street from the transfer station, and weak activity near the cemetery. The view is looking to the east. Right: The small breakout near the solid waste transfer station began spilling into the truck access road that loops around the transfer station. This road is quite a bit lower than the transfer station buildings, and it will likely take a few days for it to fill up, if the breakout remains active. The smoke at upper left is a different breakout, which destroyed the house just across the street from the transfer station a few days ago. The view is to the east-northeast.
This photo shows the distal part of the June 27th flow looking toward the southwest. The stalled tip of the flow is barely cut off at the left side of the photo.
Left: The house which was recently destroyed by lava is just below the center of the photo. Lava bypassed the garage, which still stands at the center of the photo. Lava briefly entered the fish pond next to the house, before continuing downslope. Also visible is the small active flow next to the transfer station, and the larger, more rapidly moving finger about 360 meters (390 yards) upslope from Apaʻa Street at upper right. The smoke at upper left marks another breakout widening the flow into the adjacent forest. The view is to the southwest. Right: Lava flows continue to encroach on the Pāhoa Japanese Cemetery, with the latest activity there coming right up to the edge of the green-roofed shelter. An inflated ridge 3–4 meters high (10–13 feet high) cuts across the cemetery (visible on the near side of the cemetery in the photo), and is the source of the recent and active lava visible at the bottom of the photo.
A comparison of a normal photograph with a thermal image of the leading tip of the June 27th flow. The stalled flow front exhibits lower surface temperatures (red, purple colors), as it has been stalled for over a week. Upslope, however, scattered breakouts are active and have much higher surface temperatures (white, yellow colors).
Another view of the activity near the transfer station, shown by a normal photograph and a thermal image. The white arrows show corresponding points of reference. The left arrow marks the tip of this small lobe (one of many active today), which was approaching Apaʻa St. Small cascades of lava can be seen flowing down the embankment surrounding the transfer station.

November 11, 2014 — Kīlauea


Inflation of June 27th flow near Apaʻa Street continues

Just before noon, HST, on Tuesday, November 11, 2014, lava pushed through the fence at the southwest corner of the Pāhoa transfer station and moved down the slope onto the station grounds. The flames are caused by burning asphalt.
Left: Inflation is a common characteristic of active pāhoehoe flows. Here, a flow has inflated up to the level of the Pāhoa transfer station fence. A glowing crack provides evidence of the flow's molten interior. Right: The flow lobe that destroyed a residence on Monday has also inflated significantly. Here, an HVO geologist examines the margin of that lobe. A barbed wire fence was surrounded and tilted towards the camera as the flow inflated, so that the fence is now nearly horizontal. The red roof in the background is the garage structure near the house that burned on Monday. The garage was still standing as of noon on Tuesday.

November 10, 2014 — Kīlauea


Areas of active lava behind the stalled front

Helicopter view of the June 27th flow tip showing areas of active lava on the morning of November 10. Smoke from burning vegetation rises from the north margin of the flow. Active areas include regions just downslope and upslope of the transfer station, and a new lobe of lava, marked by a smoke plume at the upper right of the photo, is moving to the northeast approximately 750 meters (820 yards) above Apaʻa Street / Cemetery Road.
Left: Helicopter view looking upslope along the June 27 flow from above Pāhoa. Plumes of smoke from burning vegetation mark areas of active lava breakouts. Right: Helicopter view looking west across the lower part of the June 27th lava flow. Smoke plumes show areas of active lava breakouts. The transfer station is in the middle of the image (white roofed structures). At upper left, smoke rises from the margin of a new, northeastward directed finger of lava.

November 9, 2014 — Kīlauea


Active flows above and below Cemetery Road / Apaʻa Street

Left: A new lobe of lava burned along Cemetery Road / Apaʻa Street after it crossed early Sunday morning. Right: Lava pours from an active breakout near the Pāhoa transfer station.
Left: An active flow above Cemetery Road / Apaʻa Street is within approximately 20 meters (22 yards) of the Pāhoa transfer station fence. Right: Active flow lobes burn grass in the pasture just across Cemetery Road / Apaʻa Street from the Pāhoa transfer station.
Left: The active flow lobe advancing along Cemetery Road / Apaʻa Street approaches a new steel power pole that is surrounded by a cinder barrier. Right: The inflated flow field below the Pāhoa cemetery looking northeast toward the houses on Pāhoa Village Road. Note geologist in the center of the photo for scale.

November 8, 2014 — Kīlauea


Breakouts remain active upslope of stalled flow front

Although the leading tip of the June 27th flow remains stalled, breakouts continue to be active upslope. This breakout was active about 400 meters (0.25 miles) upslope of Cemetery Road / Apaʻa Street.
Left: Breakouts remain active in the area of the cemetery, which is just beyond the row of small trees in the center of the photograph. The smoke plume is from an active breakout burning the pasture grass. Right: One of many fallen trees on the lava flow surface.

November 7, 2014 — Kīlauea


Inflation and minor expansion of the June 27th lava flow field

Left: The June 27th lava flow remains active above Pāhoa. The tip of the flow remains stalled about 155 meters (170 yards) from Pāhoa Village Road, which crosses the middle of the photo. Smoke plumes are visible above town, caused by burning vegetation at the site of lava breakouts. Highway 130 is at the bottom of this photo, which was taken from a helicopter. Right: Another helicopter view of the active June 27th lava flow above Pāhoa. Smoke plumes are caused by burning vegetation at the site of lava breakouts along the margins of the flow. Apaʻa Street / Cemetery Road, partially covered by lava, is in the foreground.
Left: A timelapse camera that USGS HVO scientists were using to monitor a lava tube skylight was caught in an overflow this morning. In this view, recent lava has surrounded the tripod and melted the power cable. Right: The camera housing had partially melted, but the electronics and camera inside were not damaged.
Left: This view from the helicopter shows the light gray, recent pāhoehoe lava that emerged from the tube skylight and nearly destroyed two timelapse cameras. The summit of Puʻu ʻŌʻō is out of view at upper right. Right: An aerial view into a skylight revealed flowing lava in the main tube feeding the June 27th lava flow. The large opening is about 7 meters (7.5 yards) across.
This image shows a comparison of a normal photograph of the flow front with a thermal image of roughly the same area. The thermal image clearly shows the distribution of active breakouts (white and yellow spots), some of which were active around the cemetery. The leading tip of the flow, near Pāhoa Village Road, has stalled and has lower temperatures (red colors). Farther upslope, breakouts are active near the transfer station and are also scattered several kilometers upslope of Cemetery Road.
The main mode of growth of the June 27th lava flow over the past several days has been inflation (thickening) of the flow. The photos above were taken where lava crossed Apaʻa Street / Cemetery Road. On October 25 (left), just a few hours after the flow crossed the road, the lava was only about 3 feet thick. Ten days later, on November 4 (right), the flow was about 12 feet thick. The cinder pile surrounding the power pole provides a sense of scale for the inflation.

November 6, 2014 — Kīlauea


Small breakouts continue behind stalled June 27th flow front

A small breakout from the inflated June 27th lava flow near the Pāhoa cemetery overwhelms a fence and pushes toward a tree during the late morning of Thursday, November 6, 2014.

November 5, 2014 — Kīlauea


June 27th lava flow remains active behind stalled flow front

The June 27th lava flow remains active above Pāhoa. The tip of the flow remains stalled about 155 meters (170 yards) from Pāhoa Village Road, which crosses the photo at very bottom right. Smoke plumes are visible above town, caused by burning vegetation at the site of lava breakouts. All breakouts are above Apaʻa Street, except for three small breakouts near Pāhoa cemetery. The largest plume in the top left of the photo is located several hundred meters (yards) above the transfer station. Other breakouts even further upslope were also producing smoke plumes, barely visible through the mist.
 
Left: Looking roughly northeast, along the flow path, towards Pāhoa (just visible at the top of the photo). Brown scars in the forest on the left of the photo mark previous brush fires, sparked by the heat of the lava. The largest smoke plume at middle left of the photo is from a lobe of pāhoehoe lava, about 2.5 km (1.5 miles) above Apaʻa Street, that has been advancing to the north. Right: Closer view of breakout described in photo to the left.
Left: Closeup of breakout 2.5 km (1.5 miles) above Apaʻa Street. Red glow is from both burning vegetation and active pāhoehoe lobes. Gray streaks are accumulations of ash where vegetation has burned on the flow surface. Right: A small finger of lava has advanced into the vegetation just east of Kaohe Homesteads, on the south side of the flow. Active lava is visible near the bottom right of the image.
A comparison of a normal photograph with a thermal image of the flow front. The warm (but not hot) temperatures (red and orange) around the leading tip of the flow indicate that no surface flows are active in this area. Several small breakouts are active a short distance upslope, near the cemetery, and are visible by their higher temperatures (yellow, white). Upslope of Cemetery Rd./Apaʻa St., scattered breakouts remain active. A lobe about 2.5 km (1.5 miles) upslope of Cemetery Rd./Apaʻa St. has expanded the flow margin towards the north.

November 4, 2014 — Kīlauea


Sluggish breakouts on lower part of June 27th lava flow field

Left: Viscous pāhoehoe oozes from the margin of the June 27th lava flow about 370 meters (405 yards) above Apaʻa St. This area was the most active as observed during field work on Tuesday, November 4, 2014. Right: Small breakouts occur from an inflating pāhoehoe lobe in a privately owned orchard.

November 2, 2014 — Kīlauea


No advancement of June 27th lava flow stalled front

A breakout occurs from an inflated lobe of the June 27th lava flow on Sunday morning, November 2, 2014. Scattered breakouts like this, which took place about 200 meters (218 yards) upslope of the stalled leading edge, have been common over the past few days and are filling in low points behind the flow front.

November 1, 2014 — Kīlauea


Scattered breakouts on the distal portion of June 27 lava flow

Left: A pāhoehoe toe oozes out of the northern margin of the June 27th lava flow in thick forest, about 300 meters (328 yards) upslope of the leading edge of the flow Right: Sluggish pāhoehoe breakouts were present along the south margin of the June 27th lava flow on Saturday morning about 100 meters (109 yards) upslope of the leading edge of the flow.
Left: An HVO geologist maps the margin of the June 27th lava flow using GPS. Mapping on foot like this can be difficult in thick forest due to downed trees covering the edge of the flow. Right: A methane explosion in the ground adjacent to the flow margin threw these blocks of older lava, some up to half a meter (yard) in diameter, a distance of several meters (yards) onto the flow surface. Just to the left of the geologists is a crater of disrupted ground, with overturned blocks of older lava up to a meter (yard) in size. Methane explosions are a hazard in the immediate vicinity of the flow margin. More about methane bursts can be found at http://hvo.wr.usgs.gov/volcanowatch/archive/2002/02_10_17.html.

 


October 31, 2014 — Kīlauea


The June 27th lava flow remains active and continues to widen

The June 27th lava flow remains active in and upslope from Pāhoa. Yesterday, the tip of the flow was stalled about 155 meters (170 yards) from Pāhoa Village Road, which crosses the photo at lower right. A few small toes of pasty lava continue to leak from the sides of the flow just upslope from the front today. A more vigorous flow was burning through forest along the north side of the stalled front just below the Pāhoa cemetery (the burning forest closest to Pāhoa Village Road). This may develop into a new front. Other breakouts even farther upslope were also moving through vegetation and producing smoke plumes.
Left: This is a closer view of the leading part of the flow, looking toward Pāhoa Village Road, which cuts across the top of the photo. The smoke marks where an active breakout is advancing downslope along the north side of the finger which stalled yesterday after crossing through private property. Right: A few small breakouts remain active near the transfer station, seen at lower right. One breakout, active for several days now, is slowly creeping toward the southern edge of the transfer station, and was about 35 m away today. Another breakout started overnight on the south side of the flow opposite from the lobe heading toward the transfer station. This southern breakout destroyed a cow shelter in the adjacent pasture and is the source of the smoke near the upper left side of the photo.
Left: A hole is left behind by a large tree that was surrounded by lava, burned through at its base, and collapsed onto the solidified flow surface a short time before this photo was taken. The end of the tree trunk is glowing, and flames from burning wood are emanating from the hole. This represents an under appreciated hazard of the lava flow field. Large trees that were surrounded by lava can fall long after the leading edge of the flow has passed by. Right: Lava from the lobe that was active in the forest below the Pāhoa cemetery overcomes a fence marking private property late on Friday afternoon.

October 30, 2014 — Kīlauea


June 27th lava flow advance rate slows

Minor breakouts of lava ooze from the margin of the June 27th lava flow on the afternoon of Thursday, October 30, 2014. These breakouts are located about 100 meters (110 yards) behind the leading edge of the flow.
Left: Lava near the leading edge of the June 27th flow oozed over a concrete slab and towards a tangerine tree before solidifying Thursday afternoon. Right: The June 27th lava flow came into contact and inflated against an artificial berm on private property on Thursday afternoon. Note that the flow has inflated to a level much higher than that of the berm.
A breakout of ropey pāhoehoe lava upslope of Apaʻa Street burns vegetation near the Pāhoa transfer station on Thursday afternoon.

October 29, 2014 — Kīlauea


June 27th lava flow advances toward Pāhoa Village Road

The June 27th flow remains active, and is slowly approaching Pāhoa Village Road. This photo was taken just before 10 am, and shows the flow front moving through private property towards a low point on the road. At 11:30 am today, the flow front was 215 m (235 yards) from Pāhoa Village Road.
Left: Another view of the flow front and its proximity to Pāhoa Village Road. Photo was taken just before 10 am. Right: This photo looks downslope from Cemetery Road, and shows the pasture and cemetery that the flow front advanced through several days ago. Much of the cemetery has been covered by lava, but a kipuka has left a portion of the cemetery uncovered for now.
A comparison of a normal photograph with a thermal image of the flow front. The white box shows the extent of the thermal image. The thermal image shows that most of the activity in this region is focused at the leading edge of the flow (white and yellow areas show active surface lava). In addition, a small lobe on the western margin of the flow is active (and partially obscured) in thick forest above the private lot that the front is moving through.
Left: A view of the flow over Cemetery Rd./Apaʻa St. The transfer station is at the top of the image. Right: This Quicktime movie provides an aerial overview of the position of the flow front. The file size is quite large and may take several minutes to download.

October 28, 2014 — Kīlauea


June 27th flow enters Pāhoa

The June 27th lava flow burns vegetation as it approaches a property boundary above Pāhoa early on the morning of Tuesday, October 28, 2014.
Left: Lava pushed through a fence marking a property boundary above Pāhoa early on Tuesday morning. Right: By dawn on Tuesday morning, lava had crossed into two privately owned properties above Pāhoa. Note the inflated flow behind the fence, which is chest-high. We are grateful to the owners of the property for allowing us access and permission to work on their land and post these photos.

October 27, 2014 — Kīlauea


June 27th flow approaching residential areas in Pāhoa

The June 27th lava flow remained active, and the flow front was nearing residential areas in the northwest portion of Pāhoa. The flow front was heading towards a low spot on the Pāhoa Village Road, between Apaʻa St. and the post office. This photo was taken at 11:30 am today, when the flow front was 540 meters (0.3 miles) from Pāhoa Village Road.
Left: This annotated photograph shows the notable features around the flow front. The photo was taken at 11:30 am, and also shows the distance the flow front has traveled between Cemetery Rd./Apaʻa St. and Pāhoa Village Rd. Right: A slightly closer view of the flow front. Apaʻa St. is in the lower portion of the photograph, and the transfer station is in the lower right. Pāhoa Village Road is in the upper left portion of the photograph.
A wider view of the flow, showing its proximity to Pāhoa Village Road. Pāhoa Village Road spans the bottom portion of the photograph.
A comparison of a normal photograph with a thermal image. The white box shows the approximate extent of the thermal image. The elevated temperatures (white and yellow areas) around the flow front indicate that significant activity is focused at the front, driving its forward movement. In addition, a slow-moving lobe was active upslope of Cemetery Rd. Farther upslope, scattered breakouts persist in the wider portion of the flow.
Left: Another wide view of the flow front and its position relative to Pāhoa. Right: This Quicktime movie, taken at 11:30am, gives an aerial overview of the flow front and its position relative to Pāhoa. The movie is fairly large in size and may take several minutes to download.
The June 27th lava flow burns through thick vegetation below the pasture downslope of the Pāhoa cemetery at 11:15 am on Monday, October 27, 2014.

October 26, 2014 — Kīlauea


June 27th flow continues to advance toward Pāhoa

Left: As of 10 AM, HST, on October 26, 2014, the June 27th flow front remains active and continues to advance towards the northeast. A portion of the front is still moving through the open field (shown here), while the leading tip of the flow has advanced through the Pāhoa cemetery. Right: An HVO geologist maps the margin of the June 27th lava flow in the open field below Apaʻa Street / Cemetery Road.
An HVO geologist walks across the surface of the flow, which covers the short access road to the cemetery. As is typical for pāhoehoe, the flow has inflated over the past day and was chest high in many places.
Left: A palm tree is surrounded by lava as it advances across the grassy pasture below the Pāhoa cemetery on Sunday afternoon. Right: Incandescent cracks are abundant in the surface of the June 27th lava flow just above the Pāhoa cemetery. Lava is accumulating beneath the flow's upper crust, causing it to inflate.
Late on Sunday afternoon, a barbed wire fence is overrun by lava from the June 27th flow lobe that crossed through the Pāhoa cemetery earlier in the day. To the far left in the distance, a plume of smoke marks the location of the flow lobe that passed southeast of the cemetery and through the pasture.

October 25, 2014 — Kīlauea


June 27th flow crosses Apaʻa Street

Left: The June 27th lava flow crossed Apaʻa Street / Cemetery Road at 3:50 AM, HST, Saturday morning, October 25, 2014. In this photo, which was taken at about 9 AM Saturday, the flow is moving from right to left, with burning asphalt visible along it's NW margin. A utility pole, far right, was surrounded by lava but remained standing at the time of the photo. The hope is that the protective insulation and cinder/cement barrier around the pole will prevent it from burning through. Right: At 11 AM Saturday, the June 27th flow was advancing down the grassy driveway that leads to the Pāhoa cemetery. This view is looking upslope towards Apaʻa Street along the cemetery driveway.
Left: The June 27th lava flow advances across the pasture between the Pāhoa cemetery and Apaʻa Street, surrounding a barbed wire fence. Right: A small shed is consumed by lava in the pasture between the Pāhoa cemetery and Apaʻa Street.
A typical portion of the pāhoehoe flow margin near the flow front, just downslope of Cemetery Rd./Apaʻa St. The horizontal incandescent cracks seen in the center and right portions of the photo indicate that the flow was inflating. Pāhoehoe inflation is driven by continued supply of lava beneath the surface crust, which slowly raises the surface.
Left: An HVO geologist takes a GPS waypoint at the flow front. This measurement is done sequentially throughout the day to measure flow advance rates. The flow front was moving through tall grass in an open field downslope of Apaʻa St. today. Right: A section of the flow margin near the flow front, showing a continuous horizontal incandescent crack that indicates ongoing flow inflation. HVO geologist for scale. The flow here was only about a meter thick, but slightly farther upslope where the lava has had more time to inflate the thickness was closer to two meters.
Left: Some of the flow front had the appearance of "slabby" pāhoehoe, which is the type of pāhoehoe in which the surface consists of numerous broken, overturned slabs. Right: One of the rotated surface slabs presses against the fencing that runs along the small road to the cemetery.

 

June 27th flow front approaches Cemetery Rd./Apaʻa St.

The June 27th flow remains active, and has advanced at an increased rate over the past two days. This afternoon (2 pm), the flow front was pushing ahead as a narrow lobe, and was just 135 m (150 yards) from Cemetery Rd./Apaʻa St. The vent for the June 27th flow is on Puʻu ʻŌʻō (top of photograph), which is nearly 19 km (12 miles) away.
Left: A wider view of the flow front, and its position relative to Pāhoa. This morning the flow front was 1.2 km (0.7 miles) from Pāhoa Village Road, as measured along a straight line. Pāhoa Village Road is at the bottom of the photograph. Right: A closer view of the flow front, which has split into two separate lobes. As of 2 PM, the flow was only 135 m (approximately 150 yards) from Cemetery Rd./Apaʻa St., which spans this photo. HELCO crews can be seen working to protect utility poles along the road.
Left: Another view of the two lobes that make up the flow front. Vehicles for scale. Right: Just upslope of the flow front, the flow can be seen here parallel to the dirt road. The flow in this section was only about 30 m (100 feet) wide.
Left: Another view of the flow front and Cemetery Rd./Apaʻa St., looking east. The flow front is entering an open pasture. Right: HVO geologists can be seen in the pasture mapping the flow front position.
Another view of the leading tip of the flow, as it moves into the open pasture.
A comparison of a normal photograph with a thermal image of the flow front. The white box shows the approximate area of the thermal image. The thermal image shows that high temperatures are concentrated around the leading tip of the flow, which is consistent with lava focused at the front to sustain a higher advance rate.
Left: This Quicktime movie shows a close-up view of the flow front, and its proximity to Cemetery Rd./Apaʻa St. The transfer station is also shown. Right: This Quicktime movie shows a wider view of the flow front, and pans to the right to show the flow's proximity to Pāhoa.

October 22, 2014 — Kīlauea


June 27th lava flow continues advancement towards northeast

Left: The June 27th lava flow remains active, and continues to advance towards the northeast along the northern boundary of Kaohe Homesteads subdivision. Over the past day, the leading edge of the flow has moved ahead as a narrow lobe, and covered part of a dirt road. The flow front today was 815 meters (0.5 miles) from Apaʻa St., as measured along a straight line. Right: A wider view of the flow front, showing its proximity to Apaʻa St. and the transfer station. The vent for the June 27th lava flow is on Puʻu ʻŌʻō cone, which can be seen in the upper right portion of the photograph. The residential area in the lower left corner is in the western portion of Pāhoa.
Left: A closer view of the flow front from the air, showing the narrow lobe of lava moving along the dirt road. Kaohe Homesteads is in the left side of the photograph. Puʻu ʻŌʻō can be seen in the upper right. Right: Another view of the flow front, showing the numerous smoke plumes arising from active breakouts burning vegetation at the flow margin. Kaohe Homesteads is in the left side of the photograph.
A comparison of a normal photograph of the flow front with a thermal image. The white box shows the approximate extent of the thermal image. The thermal image shows that active breakouts (white and yellow areas) are focused along the narrow lobe at the leading edge of the flow, but are also scattered for about 2 km (1.2 miles) behind the flow front.
Left: A vertical view of the lava upslope from the flow front covering the dirt road. Right: A view of the flow front from the ground, showing the pāhoehoe lava slowly moving through thick vegetation and creating thick plumes of smoke. Frequent methane explosions were occurring. These result from the cooked vegetation releasing methane, which then ignites. The explosions can range from small puffs to loud cannon-like blasts, and are an additional hazard in the immediate area of the flow margin. More information on methane explosions can be found here: http://hvo.wr.usgs.gov/volcanowatch/archive/2002/02_10_17.html
Left: An HVO geologist marks the coordinates of the flow front with a GPS unit. Right: HVO geologists walk over the surface of the flow to track surface breakouts along a portion of the flow margin, about a kilometer (0.6 miles) upslope of the flow front.
Left: This Quicktime movie provides an aerial overview of the flow front. Right: This Quicktime movie was captured at the flow front, and shows a small channelized portion of the pāhoehoe flow pouring over the dirt road embankment. Gas trapped within the flow is released via occasional small bubble bursts.

October 21, 2014 — Kīlauea


Satellite image shows update on flow activity

This satellite image was captured by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures, and show active lava. White areas are clouds.

The image shows that the flow remains active. Most active breakouts are focused near the flow front. These breakouts extend from the leading tip of the flow back to about 2 km (1.2 miles) behind the front. Several small breakouts are also active in the area where lava is moving through ground cracks. The June 27 vent is on Puʻu ʻŌʻō, and Puʻu ʻŌʻō Crater contains several small hot spots (which are caused by several small incandescent holes on the crater floor). The newly cleared portion of Chain of Craters Road is also faintly visible near the coastline.

October 20, 2014 — Kīlauea


June 27th lava flow remains active

The June 27th lava flow remains active, with no significant advancement of the flow front since Friday, Oct 17. The flow is active along the northern boundary of Kaohe Homesteads subdivision, with brush fires along the flow margins creating thick plumes of smoke. The flow front today was 1.1 km (0.7 miles) from the closest point on Apaʻa St., as measured along a straight line. Although there has been little net advancement of the flow front over the past week, breakouts persist behind the flow front.
A comparison of a normal photograph of the flow front with a thermal image. Although the leading edge of the flow has advanced only a slight amount over the past week (about 100 m, or 110 yards), active portions behind the flow front have moved at a faster rate. Surface flows along the southern margin of the flow have advanced 575 m (630 yards) over the past week, and are now close to the leading edge of the flow. The thermal image shows that other breakouts are scattered behind the flow front.
Left: Upslope from the flow front, several breakouts are active around the crack system. These surface flows (marked by the smoke plumes) have filled in a ground crack that is immediately north of another crack. The southern crack, marked by the white dotted line, is the main crack that lava is traveling along below the surface. The lava is moving deep within this crack over a span of about 1.5 km (nearly one mile), before it surfaces at a pad of lava visible at the bottom of the photograph. Right: Puʻu ʻŌʻō Crater remains filled with thick fume, but recent views with the naked eye and thermal camera confirm that little change has occurred in the crater over recent weeks. The fume masks a handful of small incandescent openings on the crater floor.

Small explosion of spatter from the lava lake in Halemaʻumaʻu Crater

Left: A collapse of rock from the wall of Halemaʻumaʻu Crater occurred yesterday (Sunday, October 19) around 1:15 am, with rocks impacting the lake and triggering an explosion of spatter. The scar left by this collapse is visible as the light-colored area marked in the photo. The spatter fell around the Halemaʻumaʻu Overlook, which is within an area closed to the public due to hazards like this. For scale, the lava lake is about 160 m (175 yards) wide from this angle. Right: This Quicktime movie shows the small explosion of spatter that occurred at Halemaʻumaʻu on Sunday, October 19. Spatter landed around the Halemaʻumaʻu Overlook (closed to the public).

October 17, 2014 — Kīlauea


Very little advancement of the flow's leading edge, but breakouts persist around flow front

The June 27th lava flow remains active, but has advanced only a minor distance - about 50 m (55 yards) - over the past two days. Activity persists around the flow front, however, with numerous scattered breakouts. The flow front this morning was 1.1 km (0.7 miles) from Apaʻa St., as measured along a straight line.
Left: Another view of the flow front, looking downslope towards Pāhoa. The smoke plumes are created by individual breakouts burning vegetation at the flow margin. Right: A closer look at the flow front, showing the leading edge moving through thick vegetation.
A comparison of a normal photograph of the flow front with a thermal image. The white box shows the extent of the thermal image. The thermal image shows that numerous active breakouts (white and yellow areas) are scattered behind the flow front.
A close view of the north margin of the flow, just behind the flow front.
This Quicktime movie provides a brief aerial overview of activity at the flow front.

October 15, 2014 — Kīlauea


Flow front advancement slows, but active breakouts persist near the front

The June 27th lava flow advancement has slowed, with the leading edge of the flow moving only a few tens of meters (yards) over the past two days. Nevertheless, active breakouts persist around the flow front, as shown in this photo by the continued burning of vegetation along the flow margins. This morning, the flow front was 1.1 km (0.7 miles) from Apaʻa St., as measured along a straight line.
Left: A wider view of the flow front from the north. The transfer station on Apaʻa St. is at the left edge of the photo, and Puʻu ʻŌʻō can be seen on the horizon in the upper right. Right: A closer view of the leading edge of the flow, which consisted of scattered breakouts along the flow margin that were slowly moving through thick vegetation.
A normal photograph along with a thermal image of the flow front. The white box shows the approximate extent of the thermal image. The thermal image clearly shows the distribution of active breakouts (white and yellow areas), which are scattered at the leading edge of the flow but are also present up to about 1.8 km (1.1 miles) behind the flow front.
Left: Although the advancement of the leading edge of the June 27th flow has been minor over the past two days, a view into a skylight on the lava tube today showed that lava in the tube was still swiftly moving downslope towards the flow front. Right: Puʻu ʻŌʻō Crater remains filled with thick fume, and activity in the crater has not changed significantly over the past week. In the lower portion of the photograph, a line of fume sources marks the path of the June 27th lava tube. The broad circular feature in the left portion of the photograph is the perched lava pond that was active in July.

October 13, 2014 — Kīlauea


June 27th lava flow remains active, continues advancing northeast

The flow front remains active, with continued slow advancement towards the northeast over the weekend. The flow front today was 1.1 km (0.7 miles) upslope from Apaʻa St. and 2.2 km (1.4 miles) from Pāhoa Village Road, as measured along a straight line. This photo, looking down flow and taken at a low altitude, shows the flow front direction relative to the transfer station and Pāhoa.
Left: A wider view of the flow front, looking upslope. Kaohe Homesteads is in the left portion of the image, and Puʻu ʻŌʻō can be seen on the horizon. Right: A closer view of the flow front, burning vegetation at its flow margin.
A view of the flow front from a normal camera (left) as well as from a thermal camera (right). The white box shows the extent of the thermal image. The thermal image shows that breakouts are active at the leading tip of the flow, and are also scattered upslope from the flow front.
Left: Active breakouts are also scattered around the area that lava first entered ground cracks. The smoke plumes mark spots where individual breakouts are burning vegetation. Right: Activity in Puʻu ʻŌʻō today remains similar to what we have observed during recent weeks. Several pits on the crater floor had small incandescent holes, and there appeared to be a small lava pond in the southern pit.
This Quicktime movie provides a brief aerial overview of activity at the flow front.

October 10, 2014 — Kīlauea


Flow front remains narrow, continues to advance towards northeast

The June 27th lava flow remains active, and continues advancing towards the northeast. The flow front today was still narrow, about 185 m (roughly 600 feet) wide. The flow front today was 1.3 km (0.8 miles) upslope from Apaʻa St. and 2.4 km (1.5 miles) from Pāhoa Village Road.
Comparison of a normal photograph with a thermal image. The white box shows the rough extent of the thermal image. The thermal image shows active breakouts (white and yellow areas) focused at the flow front but also scattered behind the front.
A closer look at the narrow flow front. Kaohe Homesteads subdivision in the upper left portion of the image.
Left: A thermal image of the flow front, which consisted of several lobes moving through thick vegetation. Yellow and white areas are active breakouts on the surface, while the red and purple areas are cooling crust. Right: This Quicktime movie provides a brief aerial overview of the flow front, showing its proximity to the the transfer station on Apaʻa St., and ends by panning over to show Pāhoa.

October 8, 2014 — Kīlauea


Flow front remains narrow, and continues slowly advancing to northeast

The June 27th lava flow remains active, and continues to slowly advance towards the northeast along the forest boundary. The flow front remains narrow, about 100 m (yards) wide, and was 1.4 km (0.9 miles) from Apaʻa St. and 2.5 km (1.6 miles) from Pāhoa Village Road (as measured along a straight line).
Left: A wider view of the flow front, with Kaohe Homesteads at the left side of the photograph. Puʻu ʻŌʻō can be seen on the horizon in the upper right. Right: A closer view of the flow front moving along the forest boundary. The flow front had nearly entered a clearing in the thick forest.
A normal photograph compared with a thermal image of the flow front. The white box shows the approximate extent of the thermal image. Breakouts (white and yellow areas in thermal image) were active at the leading edge of the flow, and were also scattered behind the flow front.
Left: A view into one of the skylights of the lava tube supplying lava to the June 27th lava flow. Right: A look into the southern portion of Puʻu ʻŌʻō Crater. A small lava pond (roughly 10 meters, or yards, wide) was active in the southern pit. The pond surface was fluctuating as spattering was active on the pond margin.
This Quicktime movie provides a quick aerial overview of activity at the flow front. At the end of the movie there is a view of the lava stream in one of the skylights on the lava tube supplying lava to the flow front.

October 6, 2014 — Kīlauea


Flow front continues advancing northeast, triggers brush fire

The June 27th lava flow remains active, and the flow front continues to advance towards the northeast along the forest boundary. Today, the flow front consisted of a narrow lobe moving through thick forest. The flow front was 1.7 km (1.1 miles) upslope of Apaʻa St., and 2.7 km (1.7 miles) from Pāhoa Village Road. The lava flow also triggered a brush fire that was active north of the flow front this afternoon.
Another view of the flow front and brush fire, with a thermal image for comparison.
A close-up view of the leading edge of the June 27th flow, which was active along the forest boundary. The thermal image shows the concentration of hot, fluid lava at the flow margin.
Left: Another view of the flow front, largely masked by thick smoke, showing the position of the flow in relation to the Kaohe Homesteads subdivision (left side of photograph). The brush fire extends off the right side of the photo. Right: Breakouts remain active upslope of the flow front, in the area that lava first entered ground cracks. Today these scattered breakouts were burning forest at numerous spots along the flow margin. Puʻu ʻŌʻō can be seen in the distance.

October 5, 2014 — Kīlauea


Satellite image shows update on flow front position

This satellite image was captured by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures, and show active lava. White areas are clouds. For reference compare the flow outline shown here in yellow to the large-scale flow field map provided in the "maps" link above. The grid shows coordinates in Universal Transverse Mercator, with a grid spacing of one kilometer (0.6 miles).

The flow front remains active. The satellite image shows that active lava at the flow front has advanced approximately 240 meters (790 ft) beyond the point where it was mapped on Friday, October 3 (yellow line). The flow front today was 1.8 km (1.1 miles) from Apaʻa St.

October 3, 2014 — Kīlauea


Slow advancement of flow front continues

Active breakouts continue at the flow front, with about 270 m (roughly 300 yards) of advancement since Wednesday, October 1. The flow front this morning was 2 km (1.2 miles) upslope from Apaʻa St. and 3 km (1.9 miles) from Pāhoa Village Road.
Breakouts continue upslope of the flow front, around the area where lava first entered ground cracks (about halfway between the Puʻu ʻŌʻō vent and the flow front). Today, several new, but small, breakouts were active in this area.
Left: The leading edge of the flow today was moving through a tall stand of trees. Right: Breakout of pāhoehoe lava on the upslope part of the June 27th flow.

October 1, 2014 — Kīlauea


Slow-moving surface breakouts extend flow front a short distance

The June 27th flow remains active. Slow-moving surface breakouts have reached the stalled flow front and extended the leading edge of the flow about 30 meters (yards). The flow front today was 2.3 km (1.4 miles) upslope from Apaʻa St. and 3.3 km (2.1 miles) from Pāhoa Village Road.
Another view of the front of the June 27th lava flow. The thermal image on the right corresponds to the area of the white box shown in the normal photograph. The thermal image shows the distribution of active breakouts (yellow and white colors) clearly.
Left: A skylight provided a view of the swiftly moving lava stream in the lava tube. Right: Activity in Puʻu ʻŌʻō Crater has remained relatively similar over the past several weeks. Small lava ponds and incandescent holes are present in several pits on the crater floor.
This Quicktime movie gives a brief aerial overview of activity at the flow front.

September 29, 2014 — Kīlauea


Slow-moving breakouts remain active behind stalled flow front

The June 27th lava flow remains active, with breakouts a short distance behind the stalled flow front.
A normal photograph of the front of the June 27th lava flow is compared here with an equivalent view from a thermal camera. The thermal image shows the extent of active breakouts more clearly. These breakouts have been advancing slowly over the past few days, and were present a short distance upslope of the stalled flow front.
This Quicktime movie gives a quick aerial overview of activity at the front of the June 27th lava flow. The flow remains active, with slow-moving breakouts about 2.5 km (1.6 miles) upslope of Apaʻa St. and 3.5 km (2.2 miles) from Pāhoa Village Road.

September 26, 2014 — Kīlauea


Puʻu ʻŌʻō and the June 27th lava flow

Annotated photo showing Puʻu ʻŌʻō and the vent and upper lava tube for the June 27th lava flow.
Annotated photo showing the terminus of the June 27th lava flow. Small, sluggish breakouts remain active upslope from the stalled front of the flow, near Kaohe Homesteads. More vigorous breakouts are active even farther upslope, midway along the length of the flow and on a pad of lava within the crack system.

September 24, 2014 — Kīlauea


Leading edge of June 27th flow stalls, but activity persists near flow front

The leading edge of the June 27th flow stalled over the weekend, but active breakouts persist near the flow front, a short distance behind this stalled front. Today, lava was slowly advancing on a different front, along the north margin of the flow. The burn scar from a brush fire triggered by the lava this weekend covers much of the lower portion of the photograph.
Left: Another view of the flow front region, looking northeast. Pāhoa can be seen near the top of the photograph, and is about 3.3 km (2.1 miles) from the stalled flow front. Right: Several skylights provided views into the June 27th lava tube today, and the fluid lava stream could be seen moving downslope.
The thermal image on the right provides a different view of the flow front, and clearly shows the scattered breakouts in this area. Most of these active breakouts were at, or upslope from, the slowly advancing flow front on the north margin of the flow. The leading edge of the stalled flow front, not surprisingly, did not have any active breakouts.
Left: A wide view from the summit, looking east. Halemaʻumaʻu Crater occupies the foreground, with the lava lake in the Overlook crater. At the skyline, Puʻu ʻŌʻō can be seen. The June 27th lava flow is fed from a vent on Puʻu ʻŌʻō, with lava traveling through a lava tube to the flow front. The position of the flow front is marked by a smoke plume as the lava at the front burns vegetation. Right: This Quicktime movie shows an HVO geologist sampling lava on the June 27th lava flow using a rock hammer. The lava is placed into a bucket of water to quench the sample. Lava samples like this are routinely collected for chemical analysis, which provides insight into the magmatic system feeding the eruption.
This comparison of a photograph with a corresponding thermal image shows a typical lobe of pāhoehoe on the June 27th lava flow. The highest surface temperatures in this image are just under 900 Celsius (1650 F), but if one measured the temperature of the lava beneath the thin crust it would be close to 1140 Celsius (2080 F).

September 22, 2014 — Kīlauea


Satellite image shows continued activity near June 27th flow front

This satellite image was captured by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures, and show active lava. White areas are clouds. For reference compare the flow outline shown here in yellow to the large-scale flow field map provided in the "maps" link above.

Although the front of the June 27th lava flow has stalled over the past few days, the flow remains active with surface breakouts immediately behind the front. These breakouts have expanded the margin of the flow several hundred meters (yards) towards the north. In addition, breakouts are active closer to Puʻu ʻŌʻō, and lava has been filling another ground crack over the past few days. The grid shows coordinates in Universal Transverse Mercator, with a grid spacing of one kilometer (0.6 miles). This image shows an example of the satellite data we use to augment our field observations, but also shows one of the major limitations of satellite data - clouds.

 

September 19, 2014 — Kīlauea


June 27th lava flow continues moving northeast, reaches open ground

The June 27th flow remains active and heading northeast, moving through Kaohe Homesteads. For several weeks the flow has been moving through thick forest, and today the flow front reached the forest boundary and more open ground. Nevertheless, active portions of the flow remain in the forest and fires continue. The flow front today was 2.4 km (1.5 miles) upslope of Apaʻa St.
Left: Another view of the narrow flow front. Kaohe Homesteads is in the lower left portion of the image. The vent for the June 27th lava flow is on Puʻu ʻŌʻō, which can be seen on the skyline. Right: View of the flow front, looking north. Pāhoa is located in the upper right portion of the photograph. The flow front today was 3.4 km (2.1 miles) from Pāhoa Village Road.
Views of the flow front from two different angles, with equivalent thermal images for comparison. The thermal images show that surface breakouts were focused on three areas near the flow front: 1) the flow front itself, 2) an area 300 meters (yards) behind the flow front and 3) a larger area about 1 km (0.6 miles) behind the flow front.
Left: A close-up view of the surface of the June 27th lava flow, near the flow front. The pāhoehoe flow is too thin and slow to topple trees as it passes, but instead the lava surrounds the trees and burns through the base. When the trees fall over, the flow surface may have cooled enough that the trunks remain intact. If the surface is hot enough to burn through the fallen trunks, all that remains is a line of ashen residue (see right side of image). Right: This Quicktime movie gives a quick aerial overview of the activity at the front of the June 27th lava flow. Kaohe Homesteads is in the lower left.

September 17, 2014 — Kīlauea


June 27th lava flow continues advancing northeast in Kaohe Homesteads

The June 27th lava flow remains active and continues advancing northeast in the forested, northwest portion of Kaohe Homesteads. The flow front today was 2.7 km (1.7 miles) from Apaʻa st. and 3.8 km (2.3 miles) from Pāhoa Village Road. Over past two days, the flow front has advanced at an average rate of 290 m/day (960 ft/day).
Left: Another view of the flow front in the northwest portion of Kaohe Homesteads. The leading portion of the flow front narrowed over the past two days and was roughly 150 m (500 ft) wide. Right: A view looking down the axis of the flow at the flow front. Pāhoa is in the upper right portion of the photograph.
Left: A close-up view of the flow surface near the flow front, which consisted of numerous, scattered small pāhoehoe lobes. Right: A view of the leading tip of the flow, which was moving through thick forest.
This Quicktime movie provides a brief aerial overview of activity at the flow front. Kaohe Homesteads is in the lower left.
Left: This thermal image shows the scattered pāhoehoe lobes that are active near the front of the June 27th flow. Right: A view of the flow front from tree level, with the lava hidden behind numerous tall trees.

Lava lake activity continues at Kīlauea's summit

Left: The summit eruption continues, with an active lava lake within Halemaʻumaʻu Crater. Halemaʻumaʻu fills up most of the image, and the lava lake can be seen near the bottom of the image contained within the smaller Overlook crater. Right: A closer look at the lava lake at Kīlauea's summit. The lake was roughly 53 m (170 ft) below the floor of Halemaʻumaʻu Crater this morning.

September 15, 2014 — Kīlauea


June 27th flow enters northwest portion of Kaohe Homesteads

The June 27th lava flow remains active and continues advancing towards the northeast. Recently, the flow front entered the Kaohe Homesteads subdivision, and is currently within the vacant, forested northwest portion of the subdivision. The flow front was 3.3 km (2.1 miles) upslope from Apaʻa Road and 4.3 km (2.7 miles) from Pāhoa Village Road.
Left: Another view of the flow front, in the northwest portion of Kaohe Homesteads subdivision. Right: A closer view of surface activity on the June 27th lava flow. This pāhoehoe flow consists of many small, scattered, slow-moving lobes burning vegetation.
Left: HVO geologists conduct a VLF (very-low frequency) survey to measure the rate of lava flowing through the lava tube on the June 27th lava flow. Right: An HVO geologist conducts a very-low frequency (VLF) survey of the lava tube to measure the rate of lava flowing through the tube. The measurement consists of two steps. First, a transect of VLF measurements across the roof of the tube is used to measure the cross-sectional area of lava flowing through the tube. Second, a radar gun is used to measure the speed that lava is flowing at that location. An open skylight is required for this speed measurement. By multiplying the cross-sectional area with the velocity, the volume rate of lava flowing through the tube can be estimated. Today's measurement showed a flow rate of 5.8 cubic meters per second (roughly 1500 gallons per second). Tracking the lava supply rate like this can be helpful for anticipating fluctuations in activity at the flow front.
This Quicktime movie provides an aerial view of activity near the front of the June 27th flow, where numerous pāhoehoe lobes are slowly burning vegetation.
This Quicktime movie shows the view through a skylight on the lava tube, which provided a clear view of the flowing lava stream.

September 12, 2014 — Kīlauea


June 27 flow moving to the northeast

As of Friday afternoon, September 12, 2014, the most distal front of the June 27th lava flow had reached a straight-line distance of 14.9 km (9.3 miles) from the source vent on the northeast flank of the Puʻu ʻŌʻō cone. The flow has continued in the northeast direction that it assumed in the middle of the week and is now only 171 meters (0.1 miles) from the boundary of the Kaohe Homesteads community. The flow is still within thick forest, so that dense plumes of smoke are created as vegetation is consumed. Small breakouts (visible as plumes in the middle distance) are also active closer to Puʻu ʻŌʻō, roughly midway along the length of the June 27th flow.
Left: View looking northeast along the terminus of the July 27th flow. Kaohe Homesteads is to the right, and Pāhoa town is in the middle center. The active flow is in the middle left. Right: View from above the middle part of the June 27th flow looking south at a small breakout that is burning forest along the previously existing flow margin. Heiheiahulu cone is in the upper left.
This Quicktime movie provides an aerial view of the flow front and its position relative to Kaohe Homesteads.
The photo on the left is compared here to a thermal image on the right, which provides a clear view of the flow front of the June 27th flow through the thick smoke. The vent for the June 27th flow is on Puʻu ʻŌʻō, which can be seen at the top of the normal photograph. After pouring in and out of ground cracks in late August, the flow finally emerged from the cracks around September 3 and began spilling out towards the north. The northwest portion of Kaohe Homesteads subdivision can be seen in the lower left of the images.

September 10, 2014 — Kīlauea


June 27th flow moves closer to Kaohe Homesteads

The June 27th lava flow remained active Wednesday afternoon, September 10, 2014, with the most distal flow front 14.5 km (9.0 mi; straight-line distance) from the vent on the northeast flank of the Puʻu ʻŌʻō cone, which is visible in the far background. Over the past day, the flow front direction shifted from a north trend to a more northeast trend, bringing the flow closer to the Forest Reserve boundary. The flow continued to advance through thick forest, creating smoke plumes as it engulfed trees and other vegetation. The smell of smoke has been detected far downwind of the flow, but fires are not spreading beyond the margin of the flow. Small, sluggish breakouts of lava (smoke plumes in far distance) also remain active closer to Puʻu ʻŌʻō, roughly midway along the length of the June 27th flow.
Left: View from above the end of the June 27th lava flow, looking along its northeast trend through the Wao Kele o Puna Forest Reserve. On the afternoon of September 10, 2014, the flow front was 0.6 km (0.4 mi) from the boundary between the Forest Reserve and Kaohe Homesteads, visible at far right. Right: Smoke plumes indicate the location of the June 27th lava flow, which was 0.6 km (0.4 mi) from the edge of Kaohe Homesteads, visible in foreground, on September 10. The flow was advancing toward the northeast.
This Quicktime movie provides an overview of activity near the front of the June 27th lava flow, and shows the position of the flow front relative to Kaohe Homesteads and Pahoa.

September 8, 2014 — Kīlauea


June 27th flow continues to advance north

Left: The June 27th flow continues its advance toward the north, creating a dense smoke plume as it spreads through the forest. The tip of the active flow today was 13.7 km (8.5 miles) straight-line distance from the vent, and 1.2 km (0.7 miles) from the eastern boundary of the Wao Kele o Puna Forest Reserve. This boundary is the western edge of Kaohe Homesteads subdivision, seen in the foreground. Puʻu ʻŌʻō is visible on the horizon, partly obscured by the smoke plume. The actual length of the flow, measured along its axis, is 15.7 km (9.8 miles). Right: This view shows the active flow front from behind. The lava feeding the flow emerges from a crack parallel to the road at lower right, which goes to the True/Mid-Pacific geothermal well site. Kaohe Homesteads is to the right, Pāhoa is at the upper right, and Ainaloa and Hawaiian Paradise Park are at upper left.
This Quicktime video provides an aerial view of the activity at the front of the June 27th lava flow.

Breakouts remain active closer to Puʻu ʻŌʻō

Several small breakouts persist along the middle part of the June 27th flow, closer to Puʻu ʻŌʻō. Most of these breakouts are burning trees as well, as seen in this photo. The flow front is in the distance, at upper left, and the closer smoke plumes are from these other breakouts.

September 6, 2014 — Kīlauea


June 27th flow remains active, with flow front moving north from ground crack

Following a reduction in surface activity yesterday, we observed an increase in surface flows today issuing from the ground crack. The reduction yesterday was likely due to lava filling the deep ground cracks. The flow front today was moving towards the north from the ground crack, through thick forest, creating a dense plume of smoke. The farthest active flows today were 13.2 km (8.2 miles) from the vent on Puʻu ʻŌʻō, and 1.4 km (0.9 miles) from the eastern boundary of the Wao Kele o Puna forest reserve. This boundary is the western edge of Kaohe Homesteads subdivision, seen at the bottom of this photograph. Puʻu ʻŌʻō is visible on the horizon in the upper right portion of the photograph.
Another view of the flow front, looking west. Lava issued from several spots along a deep ground crack earlier this week, as shown by the distinct fingers of lava making up the flow front. The thick smoke plumes show the flow front this morning was moving downslope towards the north (right in image), but it is too soon to know if this northerly flow direction will be sustained. Puʻu ʻŌʻō is in the upper left portion of the photograph.
This Quicktime movie gives a quick aerial overview of activity at the flow front.
This thermal image looks west at the June 27th flow front. The active tip of the flow is at the right side of the image, moving north. Lava issued from several spots along a deep ground crack, which has been traced with the dotted line in the left portion of the image. In addition, lava was filling another crack, also marked, closer to the active tip of the flow.
Left: Lava was filling another ground crack near the flow front, as indicated by a line of steam that extended a short distance west of the flow tip. At two spots along this ground crack we observed small pads of lava near the surface. Right: A wide view of Kīlauea and Mauna Loa volcanoes, looking northwest. Puʻu ʻŌʻō Crater, on Kīlauea's East Rift Zone, is the large fuming crater just to the left of the image center. Just to the right of the center point, on the northeast flank of Puʻu ʻŌʻō cone, smaller fume sources trace the lava tube supplying lava to the June 27th lava flow (the front of this flow is out of view to the right). In the distance, a faint plume of volcanic gas from the summit of Kīlauea can be seen below the clouds. The broad slopes of Mauna Loa form the skyline.
Breakouts remain scattered along the June 27th lava flow, and are not just limited to the flow front. Here surface flows have recently cut a swath through thick forest.

September 3, 2014 — Kīlauea


June 27th lava flow front emerges again from ground crack, continues advancing eastward

The June 27th lava flow remains active, with lava at the flow front issuing from a ground crack and advancing through thick forest, creating dense plumes of smoke. The farthest lava this afternoon was 13.2 km (8.2 miles) from the vent on Puʻu ʻŌʻō, and 1.3 km (0.8 miles) from the eastern boundary of the Wao Kele o Puna forest reserve. This forest reserve boundary is at the western boundary of Kaohe Homesteads subdivision, a portion of which is visible at the bottom of the photograph.
Left: This view looks east at the far end of the June 27th lava flow. In the center of the photograph is an isolated pad of lava which came out of ground crack last week. Further movement of lava within ground cracks has enabled the flow front to advance farther east, with lava issuing from a ground crack in the upper left portion of the photograph, where plumes of smoke mark the location of lava burning forest. Right: A closer view of the flow front, looking west. It is difficult to see the active lava surface through the thick smoke. Puʻu ʻŌʻō can be seen in the upper left portion of the photograph, partly obscured by smoke.
One small portion of the flow front was quite vigorous, with an open stream of lava moving through the forest.
This Quicktime movie shows activity at the front of the June 27th lava flow. The flow front continues to advance eastward, with lava issuing out of a ground crack and spreading through dense forest, creating thick plumes of smoke. The farthest lava this afternoon was 1.3 km (0.8 miles) from the eastern boundary of the Wao Kele o Puna forest reserve.
The surface flows at the front of the June 27th lava flow are fed by lava that is supplied through a lava tube that originates at the vent on Puʻu ʻŌʻō. This thermal image shows the lava tube close to Puʻu ʻŌʻō. Although the lava is several meters (yards) beneath the surface, it heats the surface sufficiently to be easily detected with thermal cameras.

September 1, 2014 — Kīlauea


June 27th lava flow continues advancing eastward, with lava plunging into another ground crack

This wide view, looking west, shows the position of the June 27th flow front relative to the nearby Kaohe Homesteads subdivision. The front of the flow is moving through thick forest, and its position can be seen by the plumes of smoke above the center of the photograph. Near these active surface flows, there was also steaming from a ground crack, resulting from lava deep in the crack. The farthest point of this steaming was 1.7 km (1.1 miles) west of the boundary of the Kaohe Homesteads subdivision.
The June 27th lava flow remains active at its leading edge, where lava is spreading out slowly into thick forest and also plunging into one of the many deep ground cracks that form Kīlauea's East Rift Zone. This Quicktime video shows the activity near the eastern edge of the flow. This swiftly moving stream of lava was about 2 meters (yards) wide, and was visible down to about 30 meters (100 feet) depth in the crack, where it disappeared from view.
The Quicktime video begins with a view of the steaming ground crack, where lava is moving deep within the crack. As the view rotates west, lava can be seen on the surface burning thick forest. Finally, the camera focuses on the eastern edge of the flow, where lava is plunging into the deep ground crack. This swiftly moving stream of lava was about 2 meters (yards) wide, and was visible down to about 30 meters (100 feet) depth in the crack, where it disappeared from view.
Left: Surface flows at the front of the June 27th flow continue slowly moving through thick forest, creating scattered brush fires. This view looks south, and the cone of Heiheiahulu is in the upper left. Right: Extending slightly beyond the lava flows on the surface, a steaming ground crack indicates that lava is continuing to move beneath the surface. The front of the surface flows is just above and to the right of the center point of the photograph, and the steaming ground crack runs along the vertical center line of the photograph. Puʻu ʻŌʻō can be seen on the horizon in the upper left.
Left: Near the leading edge of the lava on the surface, there was a swiftly moving stream of lava pouring into a deep ground crack (see Quicktime videos above). Puʻu ʻŌʻō is at the top of the photograph. Right: A closer look at the stream of lava pouring into the deep ground crack. See Quicktime videos above.

August 29, 2014 — Kīlauea


Far end of June 27th lava flow reactivates, lava spills out of steaming crack

The steaming ground crack observed yesterday suggested that lava was close to the surface within the crack, and today lava in the crack reached the surface and began spilling out into the thick forest. The leading edge of the lava today was near the abandoned well site (cleared area at left). This farthest lava was about 11.9 km (7.4 miles) from the vent on Puʻu ʻŌʻō (visible on horizon) and 2.6 km (1.6 miles) from the eastern boundary of the Wao Kele o Puna forest reserve.
A closer view of the pad of lava that emerged from the ground crack earlier this week, which had renewed surface flows today. At the east end (upper left in photograph) of the lava pad new breakouts spilled into adjacent ground cracks, and lava was visible within the ground crack extending farther to the east (visible by line of smoke extending towards upper left portion of photo). Heiheiahulu is visible in the upper right.
Left: A wide view of the leading edge of the June 27th lava flow, looking east down Kīlauea's East Rift Zone. The main body of the June 27th flow ends near the center of the photograph, where lava poured into a deep ground crack. After traveling along the ground crack, lava emerged at the surface earlier this week, creating an isolated pad of lava (where the thick smoke is just above the center of the photograph). This pad of lava had renewed surface activity today, with lava filling and spilling out of a ground crack extending farther to the east of the lava pad. Right: Another wide view of the leading edge of the June 27th lava flow, again looking east. This shows the east end of the isolated lava pad. The thick smoke originates from lava filling a deep ground crack up to the surface. The smoke partly obscures the abandoned well site.
At the site of the isolated pad of lava near the leading edge of the June 27th flow, renewed surface flows today resurfaced the existing lava flow and also spilled into nearby ground cracks. In this photograph, two large streams of lava plunge into a crack that is a couple meters (yards) wide.
At the far end of the lava-filled crack, lava spilled out towards the north a very short distance. In this view from a thermal camera, the small lobe of lava moving north is easily visible. The trees surrounding the crack show brighter colors as they are heated by the lava flow, but not to the point of combustion.
The vent for the June 27th lava flow is on the upper northeast flank of Puʻu ʻŌʻō. The vent area is now covered by lava, but the lava tube that carries lava to the flow front is easily visible by the line of blue-colored fume. In the lower right, two skylights can be seen.

August 28, 2014 — Kīlauea


Steaming extends northeast along ground crack, suggesting lava is advancing again along the crack

Steaming (center of photograph) was reported this morning east of the small pad of lava (just above center) that emerged from a ground crack this past week. This renewed progression of steaming suggests that lava is again continuing to advance beneath the surface, along these ground cracks. On our afternoon overflight, the farthest point of steaming was near an abandoned well site, which serves as a convenient landmark in this broad expanse of forest. The farthest steaming was 11.9 km (7.4 miles) northeast of the vent on Puʻu ʻŌʻō, and 2.6 km (1.6 miles) from the eastern boundary of the Wao Kele o Puna forest reserve. In the top portion of the photograph, numerous plumes of smoke originate from scattered surface flows burning vegetation. Puʻu ʻŌʻō can be seen on the horizon.
This figure compares the photo above with an equivalent view from a thermal camera. The plumes of smoke mark the farthest active lava on the surface (small, scattered lobes of pāhoehoe), which are also shown as small hotspots in the thermal image. The pad of lava that emerged from the ground crack earlier this week was inactive at the surface but still quite warm (high temperature patch in center of image). East of this pad of lava, steaming (just below the center of the photograph) has appeared over the past day, suggesting that lava is continuing to advance below the surface along a ground crack. Direct views into the crack were not possible due to thick vegetation, but close views of the steaming areas with the thermal camera reveal temperatures up to 190 C (370 F). These high temperature are further evidence of lava moving through the crack.
A closer of the new steaming. The thick vegetation obscures direct views of the ground crack, and only a line of steaming and browned vegetation is evident at the surface.
Slow-moving pāhoehoe advances through thick forest northeast of Puʻu ʻŌʻō. The pāhoehoe lobes surround, and burn through, the base of the trees. By the time the trees topple over, the lava surface temperature has cooled sufficiently that the downed trees do not completely burn through, leaving a field of tree trunks on the recent lava surface. One tree in the center of the photograph is completely surrounded by active lava, and likely on the brink of toppling over.
Left: Another view of the lava expanding into the forest. Right: Closer to the vent on Puʻu ʻŌʻō, one of several skylights provides a view of the flowing lava stream within the lava tube. This lava tube supplies lava from the vent to the active surface flows near the flow front.

August 27, 2014 — Kīlauea


Activity at flow front appears to stall but surface flows remain active behind flow front

The June 27th flow remains active, but surface flows at the very farthest reaches of the flow appear to have stalled today. The lava flow front consisted of an isolated pad of lava that emerged from a deep ground crack several days ago. Today, this pad of lava appeared inactive at the surface, with no sign obvious activity in the adjacent crack. On today's overflight, the farthest active surface flows were on the main body of the June 27th flow, and were 8.5 km (5.3 miles) from the vent on Puʻu ʻŌʻō, or about 6 km (3.7 miles) from the eastern boundary of the Wao Kele o Puna forest reserve.
A closer view of the southern lobe of the June 27th lava flow. Smoke plumes originate from active surface breakouts, the farthest today reached 8.5 km (5.3 miles) from the vent on Puʻu ʻŌʻō. The spot at which this lobe plunged into a deep ground crack last week can be seen near the bottom of the photograph. In the upper right portion of the photograph, smoke originating from active breakouts on the northern lobe can be seen.
A comparison of the normal photograph (see above) of the south lobe of the June 27th flow with an equivalent view from the thermal camera. The thermal camera clearly shows the extent of the farthest active breakout, which was relatively small.
Left: Another view of the south lobe of the June 27th flow, which plunged into a deep ground crack last week (this spot is visible at the right side of the photograph). This wide view, looking west, also shows another deep crack nearby, a short distance to the south of the active flows (which are producing the smoke plumes). This immediate area contains many ground cracks, which are part of Kīlauea's East Rift Zone. Puʻu ʻŌʻō can be seen in the distance. Right: The isolated pad of lava that emerged from the deep ground crack several days ago did not have any active breakouts at the surface today, but incandescent lava could be seen in numerous cracks on the surface. This likely represents lava that had ponded within the flow and remains hot, but immobile.

August 25, 2014 — Kīlauea


Lava resurfaces along crack, continues advancing through thick forest

The leading edge of the June 27th lava flow plunged into a deep crack on Kīlauea's East Rift Zone last week, and lava within the crack remained hidden for several days. Over the past day, lava returned to the surface at a point slightly farther along the crack, creating a small island of lava surrounded by thick forest. The farthest tip of the flow today was 11.4 km (7.1 miles) northeast of the vent on Puʻu ʻŌʻō, and 3.1 km (1.9 miles) from the eastern boundary of the Wao Kele o Puna forest reserve.
Left: A view of the small pad of lava that has emerged from the crack over the past day. The lava pad was about 800 m (0.5 miles) long, and was about 1.3 km (0.8 miles) east of the point where lava plunged into the crack. Right: Another view of the isolated pad of lava that has emerged from the crack. This view is towards the east, along the East Rift Zone. The spot at which lava flowed into the crack is to the west, out of view beyond the bottom of the photograph.
View of the pad of lava with the equivalent view from a thermal camera.
Puʻu ʻŌʻō crater remains partly obscured by thick fume. In particular, the northeastern portion of the crater (bottom left part of image) has recently been entirely obscured to the naked eye, but the thermal camera provides a clear view through the fume, revealing a small lava pond.

August 22, 2014 — Kīlauea


June 27th lava flow continues advancing northeast, with a portion entering a deep crack

This image shows a broad overview of activity at the front of the June 27th lava flow. Steaming in the lower-center portion of the photograph issues from a crack on the East Rift Zone. A portion of the lava flow has entered this crack, and the steaming extends out 1.4 km (0.9 miles) from the visible flow margin at the surface. Presumably, this steaming results from groundwater heated by lava deep within the crack. In the upper-right part of the image, a smoke plume originates from a more northerly lobe that is advancing through thick forest, triggering small brush fires. The vent for the June 27th lava flow is on Puʻu ʻŌʻō, the cone in the upper left part of the photo.
This Quicktime movie shows the southern front of the June 27th lava flow from Puʻu ʻŌʻō. Lava here has flowed into a deep crack on Kīlauea's East Rift Zone. The line of steam extending out from the visible flow margin at the surface is inferred to be caused by lava deep within the crack. This video also shows the lava stream beneath the flow surface, supplied by a lava tube, plunging into the crack.
Left: Looking west, this photo shows the far end of the steaming that extends out beyond the visible flow margin at the surface. Right: A closer look at one of the steam sources. The crack from which steam is issuing is not visible through the thick vegetation.
Left: A view looking east, near the front of the southern lobe that has entered the crack. Lava is inferred to be present in the deep crack beyond the visible margin of the flow, based on the line of steam sources as well as a vigorous cascade of lava seen in a skylight in the bottom portion of the photo. Right: A closer look at the lava stream plunging into the crack. The lava is fed from the vent on Puʻu ʻŌʻō via a lava tube.
North of where lava is entering the crack, another lobe is pushing through thick forest, triggering small brush fires. The source of the smoke marks the front of this lobe, and Puʻu ʻŌʻō can be seen just above this spot.
Puʻu ʻŌʻō crater remains partly obscured by thick fume. The thermal camera today revealed that several lava ponds persist in their usual locations in the northeast and southeast portions of the crater floor.

August 14, 2014 — Kīlauea


June 27 lava flow remains active in forest northeast of Puʻu ʻŌʻō

The June 27 lava flow remains active as a narrow lobe pushing through thick forest northeast of Puʻu ʻŌʻō, triggering small brush fires. This view is to the east, with the forested cone of Heiheiahulu partly obscured by the smoke plume from this angle. The flow front today was 8.7 km (5.4 miles) northeast of the vent on Puʻu ʻŌʻō.
Left: The surface flows active at the front of the June 27 lava flow are fed from lava flowing through a lava tube. This collapse of a portion of the roof has produced a skylight, and a direct view of the fluid lava stream several meters (yards) beneath the surface. Right: A remarkable perched lava pond was active on the June 27 lava flow more than a month ago. On August 12 a small lava flow erupted from the rim of the inactive pond, with the flow presumably originating from fluid lava that remained in the perched pond interior. This type of flow is commonly erupted from perched lava ponds and small lava shields, and we informally refer to these as "seeps". The seeps have a characteristic spiny, toothpaste-like, flow texture. Today, this seep was inactive, but the flow interior remained incandescent. The front of this small flow can be seen at the top of the photograph.
Another skylight and view into the tube supplying lava to the front of the June 27 lava flow.

August 12, 2014 — Kīlauea


June 27 flow continues advancing through forest northeast of Puʻu ʻŌʻō

The June 27 flow remains active, and has advanced further into the forest over the past week. The flow front today was 8.5 km (5.3 miles) northeast of the vent on Puʻu ʻŌʻō (see "map" link above for current flow field map). The flow's continued brisk advance rate is likely related, in part, to its continued confinement by local topography. Today, the narrow flow front was within one of the many linear depressions (grabens) on the East Rift Zone. Puʻu ʻŌʻō can be seen in the distance.
Left: Another view of the flow front, looking east. The small bump on the horizon, near the center of the photograph, is the forested cone of Heiheiahulu. Right: Portions of the June 27 lava flow continue to expand and cover older flows from Puʻu ʻŌʻō.
Left: Thick fume continues to obscure views into Puʻu ʻŌʻō Crater with the naked eye. The thermal camera has proven useful recently to see the hidden activity, which includes several small lava ponds (see thermal image from the July 29 overflight, below). Right: A skylight reveals the fluid lava stream within the main tube on the June 27 lava flow. The recently active perched lava pond is in the upper left portion of the photograph.
A closer look into the skylight on the June 27 lava flow, revealing complex structure within the lava tube. The bright incandescent area is the fluid lava stream, which was slowly but steadily flowing through the tube.

August 10, 2014 — Kīlauea


Lava lake activity continues in Halemaʻumaʻu Crater

The usual lava lake activity continues in Halemaʻumaʻu Crater with no major changes related to the recent hurricane. This afternoon the lake surface was about 40 meters (130 ft) below the floor of Halemaʻumaʻu Crater, which has been typical over the past several weeks. Lake surface migration was from north to south (top of photo to bottom), and occasional gas bubbles were bursting through the crust.

August 6, 2014 — Kīlauea


June 27 lava flow reaches forest boundary

The June 27 flow continues to advance at a brisk rate, and has reached the forest boundary over the past week. On today's overflight, thick plumes of smoke from burning vegetation partially obscured the flow front. See the "maps" link above for today's flow field map.
A wider view of the flow front, looking east. The June 27 flow is the lighter-colored lava passing through the center of the photograph.

July 29, 2014 — Kīlauea


June 27 lava flow advance rate increases

The June 27 flow front has advanced more rapidly over the past four days, and is now 4.2 km (2.6 miles) from the vent. This recent increased advance rate is due to the confinement of the flow against the slopes of an older perched lava channel, from 2007. The advance rate will likely drop in the coming days as the flow passes the confines of the perched channel and spreads out on flatter topography.
Left: Another view of the front of the June 27 flow, looking northeast. The flow front has narrowed as it has been confined against the slopes of the 2007 perched lava channel, and this is associated with a higher advance rate of the flow front over the past four days. Right: View, looking southwest, of Puʻu ʻŌʻō and the new perched lava pond. Puʻu ʻŌʻō is the fume-filled crater in the top half of the image. The circular feature in the lower portion of the photograph is the perched lava pond active earlier this month, which was fed by the June 27 lava flow. This perched lava pond is now inactive, but the June 27 flows continue to advance towards the northeast (see other photos from today).
Visual-thermal comparison of Puʻu ʻŌʻō crater, looking west. In the normal photograph on the left, large portions of the crater floor are obscured by thick volcanic fume. The thermal image on the right can "see" through this fume, revealing features in the crater. Over the past month, a large portion of the crater floor has subsided. Within this triangular subsidence area, three small lava ponds were active today. Two are visible in this thermal image, while a third (near the South lava pond) is blocked by a steep wall from this angle.

July 28, 2014 — Kīlauea


Puʻu ʻŌʻō crater at dawn

A time-lapse camera on the rim of Puʻu ʻŌʻō crater captured this image at dawn. The view is towards the southeast, and shows two glowing pits in the southern portion of the crater floor. Our overflight the next day showed that these pits are filled with small lava ponds.
 


 October 2013 and before -  Lava  Updates:

October 21, 2013 — Kīlauea


Lava flows at forest boundary northeast of Puʻu ʻŌʻō

Left: Pāhoehoe lava on the Kahaualeʻa 2 flow invades the forest northeast of Puʻu ʻŌʻō, burning and toppling trees and creating plumes of smoke. Right: A wider view of the Kahaualeʻa 2 flow margin at the forest boundary.
This thermal image looks southwest towards the vent on Puʻu ʻŌʻō, and shows much of the Kahaualeʻa 2 flow. Hotter colors (yellow and white) represent active breakouts, while warm colors (red and purple) show recently active portions of the flow. The Kahaualeʻa 2 flow consists of numerous scattered breakouts of pāhoehoe lava, with a narrow finger of lava forming the flow front. The flow front today was 5.8 km (3.6 miles) northeast of the vent on Puʻu ʻŌʻō.
Left: A close-up view of one of the many breakouts of pāhoehoe on the Kahaualeʻa 2 flow. Right: An HVO geologist shields his face from the intense heat as he takes a sample of active lava on the Kahaualeʻa 2 flow. The chemistry of the lava is analyzed through time and used to study changes in the magmatic system.

September 19, 2013 — Kīlauea


Kahaualeʻa 2 source vent and Puʻu ʻŌʻō

Left: The Kahaualeʻa 2 flow is fed from a spatter cone, shown here, on the northeast edge of Puʻu ʻŌʻō's crater floor. The spatter cone is about 8 m (26 ft) high. Right: The Kahaualeʻa 2 flow extends to the north and northeast of Puʻu ʻŌʻō. From the edge of the flow, where it first reaches the forest, Puʻu ʻŌʻō still appears to tower above the surrounding plain.

Views of Kahaualeʻa 2 flow

Left: Active breakouts on the Kahaualeʻa 2 are scattered over a broad area. Here, a breakout near the edge of the forest engulfs trees and burns dead foliage. Right: This beautiful bubble of glass, about the size of an small orange, adorns the surface of a breakout on the Kahaualeʻa 2 flow. Note the delicate bubble walls stretched so thin that they grade from the color of honey to transparent.

Halemaʻumaʻu lava lake

The lava lake in Halemaʻumaʻu has fallen slightly over the past few weeks. It is now about 55 m (180 ft) below the surrounding crater floor.

August 27, 2013 — Kīlauea


Halemaʻumaʻu and HVO

The Hawaiian Volcano Observatory and Jaggar Museum are located near the summit of Kīlauea and are visible atop the cliff to the right. They are about 2 km (1.25 miles) north-northwest of the lava lake in Halemaʻumaʻu, fuming (but not directly visible) at the left edge of the photo.

Puʻu ʻŌʻō and northeast spatter cone

Left: Early morning view of Puʻu ʻŌʻō, looking toward the southwest. The fume rising from the bottom of the photo marks the trace of the lava tube carrying lava to the Kahaualeʻa 2 flow front. Right: The Kahaualeʻa 2 flow is fed from a spatter cone on the northeast edge of Puʻu ʻŌʻō’s crater. Today, this spatter cone, which is about 6 m (20 ft) tall, was weakly spattering from it top.

August 23, 2013 — Kīlauea


Small explosion at Halemaʻumaʻu

Left: At 9:48 PM on Friday, August 23, a collapse of a piece of the wall above the lava lake in Halemaʻumaʻu triggered a small explosion. The explosion bombarded the rim of Halemaʻumaʻu around the old visitor overlook with molten gobs of spatter as big as dinner plates. Dense lithic fragments from the collapsed wall, and at least as large as a baseball, were also thrown back out of the vent and onto the rim. These images were recorded by a webcam positioned on the rim of Halemaʻumaʻu, about 120 m (395 ft) above the lake surface. The smaller time-stamp at the upper left corner is the correct acquisition time (the larger time-stamp is based on the camera clock, which drifts over time). Right:

August 16, 2013 — Kīlauea


Ocean entry near Kupapaʻu Point hangs on

Left: The ocean entry east of the National Park boundary near Kupapaʻu Point remains weak, with a wispy plume, as seen in this photo looking southwest along the coast. Right: The main entry point of the Kupapaʻu ocean entry comprises a few small streams of lava, seen here cascading into the water.

Rain, steam, smoke, and lava

The Kahaualeʻa 2 flow continues to invade the forest line north of Puʻu ʻŌʻō. Poor weather prevented good views but made for an eerie scene.

Lava lake in Halemaʻumaʻu at a relatively high level

The lava lake in Halemaʻumaʻu was 35 m (115 ft) below the floor of the crater this morning. The lake is about 220 m (720 ft) long and 160 m (525 ft) wide.
Left: A thin gas plume permitted a decent view of the south wall of the pit holding the lava lake in Halemaʻumaʻu. This wall is overhung by up to 15 m. Today the lava lake was not spattering at its usual point near the left side of the lake in this view. Right: Instead, the lava lake was spattering at points on the west and northwest side of the lake. This photo shows the spattering on the lake's northwest side. The pit wall to the right overhangs the lake by about 10 m (33 ft). If the lake continues to rise, pieces of this overhang may collapse (note the cracks at lower right marking planes of weakness).

August 9, 2013 — Kīlauea


Satellite view of activity at summit and east rift zone

This image was captured on Friday, August 9, by the Advanced Land Imager sensor aboard NASA's Earth Observing 1 satellite, and shows Kīlauea volcano from the summit down the east rift zone. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures, and show active lava. Two areas are active on Kīlauea. At the summit, a circulating lava lake in Halemaʻumaʻu crater produces the bright pixels at the left edge of the image. Along the east rift zone, the ongoing Puʻu ʻŌʻō eruption is now feeding two lava flows. The Peace Day flow has active surface flows on the coastal plain and an active ocean entry, just west of Kalapana village, while the Kahaualeʻa 2 flow is active at the forest boundary north of Puʻu ʻŌʻō. Satellite images such as this help fill in observational gaps between field visits.

August 8, 2013 — Kīlauea


Kupapaʻu Point ocean entry weak, but still active

Using a telephoto camera lens, an HVO scientist captured this view of the Kupapaʻu Point ocean entry on the morning of August 7. Although no lava flow activity was observed on the coastal plain near the ocean entry, small streams of lava still poured into the sea.
Zooming his camera in even more.... An up-close view of the easternmost lava streams entering the ocean. Reminder to all lava observers: Peering through a telephoto lens is the safest way to view Kīlauea Volcano's ocean entry.

July 19, 2013 — Kīlauea


Ocean entry at Kupapaʻu Point is still active

The ocean entry at Kupapaʻu Point remains active, with several lava steams entering the water creating a moderate plume.
Several birds take a closer view of the ocean entry. Narrow streams of lava were battered by the surf as they poured into the water.

June 27, 2013 — Kīlauea


Kahaualeʻa 2 flow still expanding north of Puʻu ʻŌʻō, ocean entries remain active

The Kahaualeʻa 2 flow remains active north of Puʻu ʻŌʻō, and has expanded a very minor amount into the forest, burning trees. The flow, which consists of slowly moving pāhoehoe, has widened but advanced little over the past two weeks.
Left: A wider view of a portion of the Kahaualeʻa 2 flow margin at the forest boundary. Right: The Kahaualeʻa 2 flow, which is active north of Puʻu ʻŌʻō, is fed from a vent at this cone on the northeast rim of Puʻu ʻŌʻō crater. Small openings at the top of the cone contain sloshing lava, and two skylights at the very start of the Kahaualeʻa 2 lava tube provided views of a swiftly moving lava stream rushing downslope.
This thermal image shows the eastern ocean entry at Kupapaʻu Point. Just inland from the entry point a patch of slightly warmer temperatures indicates an area of recent small breakouts. Inland from this warm patch you can see a narrow line of elevated temperatures that traces the path of the lava tube beneath the surface that is supplying lava to this ocean entry. Two plumes of high temperature water spread out from the entry point.

June 11, 2013 — Kīlauea


Lava flows near Puʻu ʻŌʻō and on coastal plain; ocean entry continues

Two ocean entry points remain active near Kupapaʻu Point, near the boundary of Hawaiʻi Volcanoes National Park. The eastern entry has produced a larger plume than that at the western entry, which tends to be weak and wispy. Today several small breakouts were active just inland of the eastern entry point, creating a narrow cascade of lava pouring down the sea cliff.
Left: This photo looks south towards Puʻu ʻŌʻō, where a vent is supplying lava to the Kahaualeʻa II flow, north of the cone. This slow-moving flow has reached the forest line, producing small scattered brush fires. Right: A close-up of the Kahaualeʻa II flow burning vegetation at the forest line, just north of Puʻu ʻŌʻō. The flow consists of numerous slow-moving pāhoehoe lobes.
The summit eruption in Halemaʻumaʻu crater remains active. The lava lake is within the Overlook crater (the source of the gas plume), which is in the southeast portion of Halemaʻumaʻu Crater.

 

Eruption-viewing opportunities change constantly, so refer to this page often. Those readers planning a visit to Kilauea or Mauna Loa volcanoes can get much useful information from Hawai`i Volcanoes National Park.

 

Visitors are allowed entry to the viewing area every day from 2 p.m., with the last vehicles admitted at 8:00 p.m. This will allow officials to ensure that everybody is out of the area by 10 p.m.

 The viewing area is closed between 10 pm and 2 pm.  This schedule is subject to change; hazardous conditions may require changes to the schedule or closure.
County of Hawaii - Kilauea Eruption image
- click on map for larger view-

Hawai`i County Civil Defense has set up a new telephone hotline to provide daily updates on viewing at the Kalapana Safe Viewing site.  The lava hotline phone number is 961-8093, which lets you know the lava viewing hours for the day ahead.  The lava hotline automated message is updated every day at 10 a.m.

The Kalapana Safe Viewing program at the volcanic eruption site is a wonderful natural attraction, and the County Civil Defense Agency wants all visitors to enjoy the experience in safety and comfort.  With that in mind, we encourage visitors to prepare not only for sunny days at the lava viewing sight but also for rain.  Please note that there are no shelters at the site in case of rain.

For your comfort and convenience, please prepare for rain keeping in mind any trip hazard:

·        An umbrella and/or

·        Windbreaker or raincoat

Visitors are also strongly advised to take the following gear for both safety and comfort:

·        Bottled water (2-3 quarts or liters per person)

·        Sturdy closed boots or shoes and socks

·        Flashlight (1 per person) and fresh batteries

·        Long pants

·        Sun hat and sunscreen

·        Binoculars (optional)

 

Visitors are reminded to obey all the warning signs and stay within the allowed areas to ensure their safety. The newly formed lava and black sand beach are extremely unstable, and can collapse into the ocean at any time. Visitors must stay well away from the volcanic steam clouds which contain hydrochloric acid and glass particles.

Please note:  There is no cell phone coverage in the viewing area.

We ask that visitors show the greatest courtesy and respect to the local residents and property owners. Please remember never to go off the road or trail, and please dispose of all trash in the garbage cans provided. Guide/interpreters will be on hand in the viewing area to provide information and assistance.  For more information, please call Civil Defense at 935-0031.

For the Hawaiian Volcanoes Observatory’s eruption updates online, please click on http://lavainfo.us/ .

The Big Island Visitors Bureau has created a new section of its website with all of the information we've been trying to get out to the public. Click on  http://www.bigisland.org/parks/939/volcano-eruption-update .

Recent Kilauea Status Reports, Updates, and Information Releases

HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE
November 21, 2009


PActivity Summary for past 24 hours: A DI event is nearly complete. At the summit, a circulating, bubbling, and spattering lava pond surface was visible in a hole in the vent cavity floor deep beneath Halema`uma`u Crater floor; its level rose several meters covering the entire vent floor before dropping but remaining visible in the Overlook vent Webcam. Sulfur dioxide emission rates from the Halema`uma`u and east rift zone vents remain elevated. Lava flows are active on the coastal plain; lava flows through tubes to the coast and is entering the ocean at two locations west of Kalapana.

Past 24 hours at Kilauea summit: The lava pond continued bubbling and circulating at its low level within a hole in the vent cavity floor deep beneath the vent rim (in the Halema`uma`u Crater floor) until 7:23 pm when it abruptly rose several meters, peaking and covering the entire vent floor at about 7:30 pm, then draining back into the hole nearly an hour later; the lava level in the hole remained higher than it was when the night started but lower than the 7:30 pm peak. Glow is visible from the Jaggar Museum Overlook. This morning, the dense white plume moves to the southwest through beautiful clear skies. The most recent sulfur dioxide emission rate measurement was 800 tonnes/day on November 20, still elevated above the 2003-2007 average of 140 tonnes/day. Very small amounts of mostly ash-sized tephra continued to drop out of the plume near the vent.

The summit tiltmeter network recorded weak inflation completing the most recent DI event. The GPS network, which is less sensitive than the tiltmeter network, recorded contraction starting at the beginning of November switching to extension after November 12th.

Seismic tremor levels remained at low values with a drop. The number of RB2S2BL earthquakes remained below background levels. Two earthquakes were strong enough to be located on south flank faults.

Past 24 hours at the middle east rift zone vents and flow field: Magma continued to degas through Pu`u `O`o crater before erupting from the TEB vent, located 2 km to the east. The most recent sulfur dioxide emission rate measurement was 1,300 tonnes/day on November 21, below the 2003-2007 average of 1,700 tonnes/day. Very weak glow was again recorded from the crater last night.

The tiltmeter on the north flank of Pu`u `O`o recorded the switch to DI inflation around 9:30 an yesterday and continued slow inflation. The GPS network, which is less sensitive than the tiltmeter network, recorded continued slow contraction of the cone, amounting to almost 3 cm of contraction over the past 3 months. Seismic tremor levels at Pu`u `O`o and the TEB vent were at low values.

Lava flows through two tube branches to the coast, across State- and privately-owned land, and was entering the ocean at two general locations - Waikupanaha and west Waikupanaha 700 m (2,300 ft) to the west. Yesterday, HVO geologists found scattered surface flows over the coastal plain and at least one possible surface flow on the pali; a single entry at Waikupanaha and several at the west Waikupanaha location were active. GOES-WEST imagery showed thermal anomalies on the coastal plain suggesting continuing surface flow activity through dawn.

HAZARD ALERT: The lava delta and adjacent areas both inland and out to sea are some of the most hazardous areas on the flow field. Frequent delta/bench collapses give little warning, can produce hot rock falls inland and in the adjacent ocean, and can produce large local waves. The steam plume produced by lava entering the ocean contains fine lava fragments and an assortment of acid droplets that can be harmful to your health. The rapidly changing conditions near the ocean entry have been responsible for many injuries and a few deaths.

Maps, photos, webcam views, and other information about Kilauea Volcano are available at http://volcanoes.usgs.gov/hvo/activity/kilaueastatus.php. A daily update summary is available by phone at (808) 967-8862.

A map with details of earthquakes located within the past two weeks can be found at http://tux.wr.usgs.gov/

A definition of alert levels can be found at http://volcanoes.usgs.gov/activity/alertsystem/index.php

Definitions of Terms Used:

glow: light from an unseen source; indirect light.

CD: Hawai`i County Civil Defense

RB2S2BL earthquakes: earthquakes that were recorded but were too small to be located. These quakes have magnitudes less than 1.7 and may only be recorded by one or two seismometers. Recording at a minimum of 4 seismometer sites is required to locate an earthquake.

tonne: metric unit equal to 1,000 kilograms, 2,204.6 lbs, or 1.1 English tons.

tephra: all material deposited by fallout from an eruption-related plume, regardless of size.

ash: tephra less than 2 mm (5/64 inches) in size.

TEB: Thanksgiving Eve Breakout, the designation used for lava flows that started with a breakout on November 21, 2007.

DI tilt event: DI is an abbreviation for 'deflation-inflation' and describes a volcanic event of uncertain significance. DI events are recorded by tiltmeters at Kilauea summit as an abrupt deflation of up to a few microradians in magnitude lasting several hours to 2-3 days followed by an abrupt inflation of approximately equal magnitude. The tilt events are usually accompanied by an increase in summit tremor during the deflation phase. A careful analysis of these events suggests that they may be related to changes in magma supply to a storage reservoir at less than 1 km depth, just east of Halema`uma`u crater. Usually, though not always, these changes propagate through the magma conduit from the summit to the eruption site, as many of the DI events at Kilauea summit are also recorded at a tiltmeter at Pu`u `O`o, delayed by 1-2 hours. DI events often correlate with lava pulses and/or pauses in the eruption at the Pu`u `O`o/July 21/TEB vents.

More definitions with photos can be found at http://volcano.wr.usgs.gov/about/pglossary/index.php .

The Hawaiian Volcano Observatory is one of five volcano observatories within the U.S. Geological Survey and is responsible for monitoring volcanoes and earthquakes in Hawai`i.

 

Volcano Live Camera :
 Pu`u `O`o     Halema`uma`u   Eruption Maps

Previous Archived Eruption Updates:

  July 17, 2008    July 16, 2008    July 14, 2008    July 10, 2008    July 7, 2008
  July 5, 2008    July 2, 2008    June 30, 2008
 

Kilauea Volcano Time Lapse Movies:
| Pu`u `O`o Crater | Pu`u `O`o Flank Vents | Flow Field | Ocean Entry |

 

 

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