HVO Photos & Video

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February 27, 2015 — Kīlauea


Active breakouts persist upslope of stalled flow front

The leading tip of the June 27th flow remains stalled about 500 meters (550 yards) from Highway 130, but scattered breakouts remain active upslope of the stalled tip.

This comparison of a normal photograph and a thermal image shows the leading portion of the June 27th flow. The white box shows the rough extent of the thermal image. In the thermal image, the active breakouts are visible as yellow and white pixels, and these areas are scattered upslope of the stalled tip of the flow.

Left: Another view of the leading tip of the June 27th flow, looking downslope towards Highway 130. Right: This photograph looks southeast at the fork in the June 27th flow that is just west of Kaohe Homesteads. The east branch (top portion of photo) crossed Apaʻa St. and entered Pāhoa in late October, and this branch is now inactive. The west branch (lower portion of photo) has headed towards areas at the north end of Pāhoa, and remains active.

Breakout on Puʻu ʻŌʻō remains active

The breakout on the north flank of Puʻu ʻŌʻō that began last weekend remains active, but has advanced only a minor distance over the past four days. The new breakout is visible as the light-colored area just to the right of the center of the photograph. Puʻu ʻŌʻō Crater is in the upper left portion of the photograph.

Left: A closer look at some of the activity at the breakout on Puʻu ʻŌʻō. Right: An HVO geologist sets up a time-lapse camera to monitor the breakout on Puʻu ʻŌʻō.

Clear views in Puʻu ʻŌʻō Crater

This view looks north and shows Puʻu ʻŌʻō. Much of the original cone has been covered by subsequent lava flows, many of which poured out of the crater. Within the crater, a depression holds a number of smaller pits, some of which contain active lava ponds.

Left: This view looks west and shows the depression within Puʻu ʻŌʻō Crater. This depression formed following the start of the June 27th lava flow. Right: A closer look at a glowing hole in the northeast pit in Puʻu ʻŌʻō Crater. Recent overflows from the opening created the dark flows filling the bottom of the pit.

Left: This lava pond was active in the southern pit in Puʻu ʻŌʻō crater. The diameter of the lava pond was roughly 18 m (60 ft). Weak spattering was active on the pond margin. Right: A closer look at the hole in the northeast pit. An active, bubbling lava surface could be seen a couple meters (yards) below the rim.

February 23, 2015 — Kīlauea


Breakouts persist upslope of stalled flow front; new breakout at Puʻu ʻŌʻō

The leading tip of the June 27th lava flow remains stalled, but breakouts persist upslope of the stalled tip. Today, one of these breakouts (marked by the arrow) had advanced a short distance towards the north, reaching one of the fire break roads.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the inactive flow tip. The white box shows the rough extent of the thermal image on the right. In the thermal image, active breakouts are visible as white and yellow areas. Although active breakouts are absent at the inactive tip of the flow, breakouts are present roughly 450 m (490 yards) behind the tip, and are also scattered further upslope.

New breakout at Puʻu ʻŌʻō

This photograph looks east, and shows the breakout on the north flank of Puʻu ʻŌʻō that began over the weekend. The breakout, visible as the lighter colored region in the center of the photograph, occurred from the area of the June 27th vent (upper right portion of photograph).

Left: A small lobe of pāhoehoe on the new breakout on Puʻu ʻŌʻō. Right: A closer look at some of the activity on the new breakout on the north flank of Puʻu ʻŌʻō.

February 19, 2015 — Kīlauea


Active breakouts persist upslope of stalled flow tip

The leading tip of the June 27th flow has been stalled for several weeks, but scattered breakouts have persisted upslope. On today's overflight, one of these breakouts was active south of the stalled tip and about 650 meters (0.4 miles) northwest of the Pāhoa transfer station.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the inactive flow tip. The white box shows the rough extent of the thermal image on the right. In the thermal image, active breakouts are visible as white and yellow areas. Although active breakouts are absent at the inactive tip of the flow, breakouts are present roughly 500 m (550 yards) behind the tip, and are also scattered further upslope.

Left: Another view of the leading portion of the June 27th flow. Persistent breakouts a short distance upslope of the stalled tip have resulted in widening of this section of the flow. Right: Another view of the leading portion of the June 27th flow, looking upslope. Pahoa Marketplace is in the lower right corner of the photograph. Mauna Loa can be seen near the top of the photograph.

Summit eruption continues

The winds today were carrying the gas plume from Halemaʻumaʻu towards the northeast. Volcano Village is in the bottom portion of the photograph and Mauna Loa is in the upper right.

February 10, 2015 — Kīlauea


Active breakouts continue upslope of stalled flow front

The leading tip of the June 27th flow has been stalled roughly 500 meters (550 yards) upslope of Highway 130 for several weeks, but breakouts have persisted upslope of this stalled tip. Today, the closest active breakout to the flow tip was roughly 300 meters (330 yards) upslope of the tip.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the inactive flow tip. The white box shows the rough extent of the thermal image on the right. In the thermal image, active breakouts are visible as white and yellow areas. Although active breakouts are absent at the inactive tip of the flow, breakouts are present just a short distance behind the tip, and are also scattered further upslope.

Left: Roughly 6 km (4 miles) upslope of the stalled tip of the flow, a small breakout was active at a major fork on the June 27th flow. The lobe extending off the top of the photograph entered Pāhoa in October, and is now inactive. The lobe extending off the left edge of the photograph is the currently active lobe. Right: A breakout was also active farther upslope, closer to Puʻu ʻŌʻō. This breakout, visible as the light gray surface, has reached the forest boundary and triggered several small brush fires.

Summit eruption at Halemaʻumaʻu Crater continues

The summit lava lake in Halemaʻumaʻu Crater continues with relatively steady activity. Today, spattering was active along the south margin of the lava lake.

February 5, 2015 — Kīlauea


Active breakouts persist upslope of stalled flow front

Although the leading tip of the flow remains stalled roughly 500 meters (550 yards) upslope of Highway 130, active breakouts persist a short distance upslope of the stalled tip. These active breakouts are evident as small smoke plumes on the flow margin, where lava is burning vegetation.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the inactive flow tip. The white box shows the rough extent of the thermal image on the right. In the thermal image, active breakouts are visible as white and yellow areas. Although active breakouts are absent at the inactive tip of the flow, breakouts are present just a short distance behind the tip, and are also scattered further upslope.

Left: This section of the flow, which has cut through forest west of Kaohe Homesteads, is relatively narrow. In the left portion of the photograph, the flow is slightly more than 100 meters (110 yards) wide. Right: Breakouts were also active in the upper portion of the flow field today. This pāhoehoe lava is flowing over ʻaʻā erupted from Puʻu ʻŌʻō in the 1980s.

A wider view of the breakout in the upslope portion of the June 27th flow. Active surface lava was about 3.5 km (2.2 miles) northeast of Puʻu ʻŌʻō, which can be seen in the upper left corner of the photograph.

Left: The pāhoehoe breakout northeast of Puʻu ʻŌʻō is seen here covering older (1980s) ʻaʻā. Many pieces of the old ʻaʻā clinker were surrounded by the solidifying pāhoehoe, and then lifted by the inflating flow surface. Right: This view looks west at Puʻu ʻŌʻō. In the lower left portion of the photograph, the circular perched lava pond that was active in early July can be seen. Just to the right of this perched lava pond, a line of white fume can be seen extending to the lower right corner of the image. This fume marks the path of the subsurface lava tube for the June 27th lava flow. The vent for the June 27th flow, and the start of the lava tube, is slightly below the center point of the photograph.

January 29, 2015 — Kīlauea


Active breakouts persist upslope of stalled flow front

The leading tip of the June 27th flow has not advanced significantly over the past week, and remains roughly 500 meters (550 yards) upslope of Highway 130, west of the fire and police station. Breakouts persist upslope, however, and these areas of activity can be spotted in this photograph by small smoke plumes where the lava is burning vegetation on the flow margins.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the inactive flow tip. The white box shows the rough extent of the thermal image on the right. In the thermal image, active breakouts are visible as white and yellow areas. Although active breakouts are absent at the inactive tip of the flow, breakouts are present just a short distance behind the tip, and are also scattered further upslope.

Left: This photograph looks downslope, and shows the proximity of the flow front to the highway. Right: This photograph looks upslope along the ground crack system of Kīlauea's East Rift Zone. A small breakout from the lava tube is burning forest just left of the center of the photograph. In the upper left, thick fume is emitted from Puʻu ʻŌʻō. Near the top of the photograph, the snow-covered peak of Mauna Loa can be seen.

Left: In the upslope portion of the June 27th flow field, a breakout was active north of the forested cone of Kahaualeʻa. Some of this lava was the "blue glassy" type of pāhoehoe, which often represents lava that has been stored within an inflated flow for several days. Right: A closer look at the blue glassy type of pāhoehoe, whose color stands out from the more typical black lava surface on the left side of the photo. For scale the photograph width is about two meters (yards).

January 26, 2015 — Kīlauea


Left: HVO geologist taking a gps waypoint of the leading edge of the June 27th flow, which consisted of a narrow, sluggish breakout during the afternoon. Right: One of many small breakouts on the surface of the June 27th flow immediately upslope of the leading edge. Many inflation features are present on the flow, including the tumulus in upper right.

January 22, 2015 — Kīlauea


Sluggish breakouts persist near leading tip of the June 27th flow

The June 27th flow remains active near its leading tip, with breakouts scattered in the distal portion of the flow. The leading tip has not advanced significantly over the past few days, and remains about 600 meters (0.4 miles) from Highway 130.

Left: This photograph looks north, and shows the position of the leading tip of the flow relative to Highway 130. The brown swaths cut through the forest are fire breaks, and the large brown area at the left side of the image is a recent burn scar. Right: A view looking upslope at the leading tip of the flow.

January 21, 2015 — Kīlauea


Sluggish activity at leading tip of the flow

The leading tip of the most distal active portion of the June 27th lava flow remains active, but consists of small, sluggish breakouts that have not advanced a significant distance during the past two days. The leading tip of the flow remains approximately 600 meters (0.4 miles) from Highway 130.

Left: Only a handful of small breakouts were active along the leading tip of the flow. Right: Looking downslope at the leading tip of the flow, which is surrounded by burned vegetation.

January 13, 2015 — Kīlauea


Active breakouts persist upslope of stalled flow tip

The leading tip of the flow near Pahoa Marketplace remains stalled, but active breakouts persist a short distance upslope. Breakouts were active about 500 meters (0.3 miles) upslope of the stalled tip, and a portion of this activity on the north margin triggered a small brush fire.

This comparison of a normal photograph and a thermal image shows the position of active breakouts relative to the stalled flow tip. In the thermal image, active breakouts are visible as white and yellow areas. About 700 meters (0.4 miles) upslope of the stalled tip, a small lobe is expanding towards the north-northeast, and had triggered a small brush fire this morning. Breakouts were also active farther upslope, with another north-northeast advancing lobe about 2 km (1.2 miles) upslope of the stalled tip.

Left: A closer look at the leading edge of the north-northeast advancing lobe that was active about 2 km (1.2 miles) upslope of the stalled flow tip. This lobe has crossed a fire break, and a small brush fire was active along the flow margin. Right: A view of the leading edge of the flow, looking downslope towards Pahoa Marketplace and Highway 130. The brush fire was triggered along the edge of a small north-northeast advancing lobe that was active about 700 meters (0.4 miles) upslope of the stalled flow tip.

Left: This close-up view of an inactive portion of the flow margin shows the irregular surface relief created from pāhoehoe flow inflation. Right: Winds from the south provided a fairly clear view in Puʻu ʻŌʻō crater. At the right side of the photograph, a thick fume source is situated on the northeast rim of the crater.

January 6, 2015 — Kīlauea


Kīlauea's East Rift Zone lava flow still active

Kīlauea’s East Rift Zone lava flow has not advanced any closer to Pahoa Marketplace, but is still active. Breakouts were also active near the True/Mid-Pacific geothermal well site, and along the distal 3 km (2 miles) of the flow, where a narrow lobe has been advancing toward the north-northeast. The view is to the southwest.

This shows a comparison of a normal photograph with a thermal image of the flow front. The white box shows the rough extent of the thermal image. White and yellow pixels in the thermal image show areas of active breakouts. Although the leading tip of the flow has stalled, the thermal image shows that active breakouts are present a short distance upslope of the stalled tip.

Left: This view, looking northeast, shows the distal part of the flow, with the flow lobe behind Pahoa Marketplace to the right and the newer north-northeast advancing lobe to the left. The north-northeast lobe is following a drainage that leads to the steepest-descent path that crosses Highway 130 about 1 km (0.6 mi) south of the Makuʻu Farmer’s Market. The flow, however, is still 3.5 km (2.2 mi) upslope from that spot and moving slowly. Right: This photo shows a closer view of the narrow north-northeast advancing lobe about 2.5 km (1.6 mi) upslope from the Pahoa Markplace. The view is to the northwest.

December 30, 2014 — Kīlauea


No change in activity at Puʻu ʻŌʻō

Left: A clear view today of Puʻu ʻŌʻō’s summit revealed no significant change during the past week. The cross-sectional area of the active lava stream in the tube on the flank of Puʻu ʻŌʻō was the same as measured on December 22, suggesting no change in lava discharge from the vent. The central crater at Puʻu ʻŌʻō formed over several days following the opening of eruptive fissures on June 27; the view is looking toward the west. The distance from the high point on the northwest rim to the south rim (cliff in top middle to lower left in this photo) is about 300 m (~980 ft). Right: Close view of incandescence in spatter cone within a pit at the northeast edge of Puʻu ʻŌʻō’s crater (the smaller pit visible to the right side in the adjacent photograph). Note small flows that cover the floor of this small crater.

Slow-moving breakouts form new flow front

Left: Kīlauea’s East Rift Zone lava flow remains active upslope from the Pahoa Marketplace area, visible at lower right. The leading edge stalled on December 22, but breakouts just upslope widened the flow field and then overtook the flow front during the past few days. The new leading edge advanced the flow front about 150 m (165 yd) since December 27. The flow crossed the firebreak road on December 28. The new tip is 530 m (580 yd) upslope of the Pahoa Marketplace, and was itself stalled at the time the photo was taken. The view is to the southwest. Right: The leading part of the flow consisted of several small, active lobes this afternoon. The front of the lobe that crossed the firebreak was stalled, though breakouts were active about 50 m (55 yd) upslope. Another lobe (area of most visible smoke in center) was about 300 m (330 yd) upslope of the tip and 150 m (165 yd) upslope of the firebreak. A third lobe was 350 m (385 yd) upslope of the firebreak. The view is to the northeast.

This compares a normal photograph of the active flow front with a thermal image. The photograph has been cropped and rotated to approximate the perspective of the thermal image. The thermal image shows that small breakouts were present immediately behind the leading tip of the flow and farther upslope, indicated by the white and yellowish pixels.

December 25, 2014 — Kīlauea


Satellite image shows breakouts active upslope of stalled flow front

This satellite image was captured on Thursday, December 25, 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 yellow outline is the flow margin as mapped on Monday, December 22.

The image above shows a close-up of the June 27th lava flow in the area of Kaohe Homesteads and Pāhoa. Although the leading tip of the flow stalled earlier this week, active breakouts have persisted a short distance upslope of this stalled front. The image shows active breakouts (red pixels) roughly 150 meters (160 yards) upslope of the stalled tip, with additional breakouts scattered upslope.

This satellite image was captured on Thursday, December 25, 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 yellow outline is the flow margin as mapped on Monday, December 22.

The image above shows the extent of the entire June 27th lava flow, from its vent on Puʻu ʻŌʻō to the flow front near Pāhoa, and provides an overview of the distribution of active breakouts on the flow. Near the vent, an area of active breakouts is present about 3 km (2 miles) northeast of Puʻu ʻŌʻō. Farther downslope, breakouts are active in the area of ground cracks. Closer to the flow front, breakouts are scattered just uplslope of the stalled tip of the flow.

December 22, 2014 — Kīlauea


Scattered surface activity continues near flow front and farther upslope

Kīlauea’s East Rift Zone lava flow remains active upslope from the Pahoa Marketplace area, visible at upper left, though activity has waned over the past week. The flow was very close to a firebreak road cut several months ago. The Pahoa Transfer Station is at upper right. The view is to the southeast.

This compares a normal photograph of the active flow front with a thermal image. The white box shows the rough extent of the thermal image. In the thermal image, white and yellow pixels show areas of active breakouts. The thermal image shows that small breakouts are present near the leading tip of the flow, and that many other breakouts are active upslope.

Left: A small, but fairly vigorous, breakout was active this afternoon about 1 km (0.6 miles) behind the tip of the flow. This is the narrowest part of the flow, with a width of about 30 m (33 yards). The smoke in the distance is from surface lava near the front of the flow. The view is to the northeast. Right: This photo shows a closer view of the picturesque breakout at the narrow section of the flow.

Left: Breakouts were also active much farther upslope. Leaks from the lava tube near the True/Mid-Pacific geothermal well site (at left) have been active for a couple of weeks, and are slowly invading forest to the north. View is to the west-southwest. Right: A breakout from the lava tube has also been active on the upper part of the flow field near Puʻu ʻŌʻō since December 5. The smoke is from a narrow finger of lava burning lichen on an older Puʻu ʻŌʻō lava flow. Puʻu ʻŌʻō is at upper right. The view is to the south-southwest.

December 21, 2014 — Kīlauea


Satellite image shows distribution of active breakouts on June 27th lava flow

This satellite image was captured on Friday, December 19, 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 upslope portion of the June 27th flow, near Puʻu ʻŌʻō, is obscured by clouds, but the downslope portion of the flow near Pāhoa is relatively cloud free. The image provides a clear view of the distribution of active breakouts on this downslope portion of the flow. Surface lava is active around the leading tip of the flow, marked as "active flow front", but a short distance upslope of the leading tip there is an absence of surface breakouts. About 1.5-2 km (0.9-1.2 miles) upslope of the leading tip of the flow, many scattered breakouts are present. This image emphasizes that activity on the June 27th flow is not limited to the flow front.

December 19, 2014 — Kīlauea


Leading tip of flow has slowed, but remains active

Left: Kīlauea’s East Rift Zone lava flow continues to advance downslope toward the Pahoa Marketplace. This photo is of a small breakout from the edge of the inflated flow several hundred meters (yards) back from the active front. Right: This photo gives the general appearance of the surface of the flow, looking upslope, where the flow is narrower on slightly steeper terrain. It is normal for trees within the flow path to not burn after they topple. By the time the trees fall over, the surface crust of the flow has cooled below their ignition temperature. The photo was taken about 350 m (380 yards) behind the tip of the flow. The flow was already inflated 2 to 3 meters (yards) at this location.

December 18, 2014 — Kīlauea


Active flow front continues downslope towards northeast

The leading tip of active lava on the June 27th flow continues downslope, through thick vegetation, towards the northeast. The active front this morning was 1 km (0.6 miles) upslope of Pahoa Marketplace, as measured along the line of steepest descent.

This photo looks downslope towards Highway 130. The leading tip of the flow has widened over the past few days, and branched into two fingers - both of which are heading in the same general northeast direction.

This shows a comparison of a normal photograph looking downslope with a thermal image. The white box shows the rough extent of the thermal image. In the thermal image, white and yellow pixels show active surface lava, which is focused along the leading edge of the flow.

In addition to active surface lava at the leading tip of the flow, breakouts were active about 2 km (1.2 miles) upslope of the leading tip. These breakouts were scattered and feeding several small lobes.

Left: Even farther upslope, in the area of ground cracks, there were two small breakouts burning vegetation on the north margin of the flow. This photograph looks west, and Puʻu ʻŌʻō can be seen on the horizon. Right: Still farther upslope, about 3 km (roughly 2 miles) northeast of Puʻu ʻŌʻō, scattered breakouts were active.

A comparison of a normal photograph and a thermal image showing an HVO geologist collecting an active lava sample. The lava is quenched in the bucket of water. Lava samples like this are routinely collected for chemical analysis, which provides insight into the magmatic system feeding the eruption.

This Quicktime movie provides a brief aerial overview of the active flow front.

December 16, 2014 — Kīlauea


Active flow front continues northeast towards Highway 130

The active flow front continues to advance to the northeast, in the general direction of Pāhoa Marketplace. This morning, the leading tip of the active flow was 1.5 km (0.9 miles) from Pāhoa Marketplace, as measured along the path of steepest descent. Over the past week, the flow front has advanced approximately 2 km (1.2 miles), which equates to an average advance rate of 285 meters per day (roughly 0.2 miles per day) over that period.

This photograph looks downslope towards Pāhoa, and shows the active flow front moving through dense vegetation upslope of Pāhoa Marketplace and Highway 130.

A comparison of a normal photograph and a thermal image of the leading edge of the active flow. Plumes of smoke upslope of the front mark the locations of scattered breakouts. The thermal image shows that active lava is focused along the leading margin of the flow.

Left: In addition to the active flow front, scattered breakouts were present about 2 km (1.2 miles) upslope, and consisted of several fingers branching a short distance off from the main body of the flow. Right: The leading tip of the flow has widened over the past day. Yesterday, the leading tip of the flow was roughly 80 meters (87 yards) wide, but today the leading tip was roughly 200 meters (220 yards) wide.

Left: A vertical view into one of the skylights on the lava tube upslope. A swiftly moving stream inside the lava tube confirmed that lava continues to be supplied downslope this morning. Right: HVO geologists walk over the lava tube on the northern flank of Puʻu ʻŌʻō while conducting a very low frequency (VLF) survey. Measurements are taken along a line of points (at flagged rocks) crossing perpendicular to the tube.

December 12, 2014 — Kīlauea


Lava continues advancing downslope towards northeast

The active flow front continues to advance downslope towards the northeast. This morning, the leading tip of the active lava was 2.6 km (1.6 miles) upslope from Pāhoa Marketplace, as measured along the steepest descent line.

An HVO geologist uses a handheld GPS unit to mark the flow margin coordinates. The flow field map today was updated by taking a series of GPS points like this around the leading portion of the flow.

December 9, 2014 — Kīlauea


Leading tip of active lobe continues advancing downslope

The leading tip of the active portion of the June 27th lava flow continues to advance downslope, and is 3.4 km (2.1 km) from the intersection of Highway 130 and Pāhoa Village Road (as measured along a straight line). The front has advanced 300 meters (0.2 miles) since Sunday, December 7, and 1.4 km (0.9 miles) since our last overflight on December 1. The front is in an area of relatively flat topography, which may explain reduced advance rates over the past few days.

A comparison of a normal photograph with a thermal image of the leading tip of the active lobe on the June 27th lava flow. Corresponding points are marked with letters for reference. Active surface flows were present at the front of the lobe, and there were numerous small breakouts scattered in the immediate area upslope of the front.

Left: A vigorous channelized breakout on the flow, a short distance upslope of the leading tip of activity. Right: A breakout was also present in the upslope portion of the June 27th lava flow, closer to Puʻu ʻŌʻō. The breakout point was about 800 meters (0.5 miles) north of Puʻu Kahaualeʻa, which is close to Puʻu ʻŌʻō. The breakout began on December 5 from the existing lava tube, and this photo shows the breakout point clearly. The roof of the lava tube is a raised ridge formed by earlier (darker) portions of the June 27th flow, and the new breakout (light gray) broke out from several spots on the side of this ridge. The new breakout has several small solidified channels - where these channels intersect the ridge of older lava marks the breakout points.

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