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Images

Hawaiian Volcano Observatory images of eruptive activity, field work, and more.

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Image: Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry

The Puhi-o-Kalaikini ocean entry, which is almost 1 km (0.6 mi) long, continues to host a medium size steam plume near the center of the delta. Hidden from view in this photograph, another small plume to the west rises from the same delta, where a stream of lava enters the ocean.

The Puhi-o-Kalaikini ocean entry, which is almost 1 km (0.6 mi) long, continues to host a medium size steam plume near the center of the delta. Hidden from view in this photograph, another small plume to the west rises from the same delta, where a stream of lava enters the ocean.

Image: Seaside Blowhole Filled with Lava
Seaside Blowhole Filled with Lava
Seaside Blowhole Filled with Lava
Seaside Blowhole Filled with Lava

In addition to filling in several small bays, lava has infiltrated small caves in the seacliff as well. Just a week ago this was a blowhole that occasionally shot seawater high into the air. Fresh lava, visible at the bottom of the pit, has since filled in the cave connecting the blowhole to the sea.

In addition to filling in several small bays, lava has infiltrated small caves in the seacliff as well. Just a week ago this was a blowhole that occasionally shot seawater high into the air. Fresh lava, visible at the bottom of the pit, has since filled in the cave connecting the blowhole to the sea.

Image: Growth of a Lava Delta
Growth of a Lava Delta
Growth of a Lava Delta
Growth of a Lava Delta

The western ocean entry, named Puhiokalaikini, has continued to build its delta to the west. Over the past day, lava filled in this small bay at a remarkable rate. The promontory in the upper right corner of the photograph hosted a popular fishing spot.

The western ocean entry, named Puhiokalaikini, has continued to build its delta to the west. Over the past day, lava filled in this small bay at a remarkable rate. The promontory in the upper right corner of the photograph hosted a popular fishing spot.

Image: A Look into Puu Oo Crater
A Look into Puu Oo Crater
A Look into Puu Oo Crater
A Look into Puu Oo Crater

Steep view looking west into Pu' u 'Ō 'ō crater. The dominant degassing, obvious in this photo, is from a hole on the eastern wall of the crater.

Steep view looking west into Pu' u 'Ō 'ō crater. The dominant degassing, obvious in this photo, is from a hole on the eastern wall of the crater.

Image: Lava Enteries over Kalapana Gardens
Lava Enteries over Kalapana Gardens
Lava Enteries over Kalapana Gardens
Lava Enteries over Kalapana Gardens

View looking southwest across the Kalapana Gardens subdivision toward the ocean entries in the background. The slightly lighter-colored surface just past the houses and topped by burned trees marks the area recently covered by lava.

View looking southwest across the Kalapana Gardens subdivision toward the ocean entries in the background. The slightly lighter-colored surface just past the houses and topped by burned trees marks the area recently covered by lava.

Image: Breakout at the End of Highway 130
Breakout at the End of Highway 130
Breakout at the End of Highway 130
Breakout at the End of Highway 130

By August 17, the breakout which started on August 16 had reached the end Highway 130. The flows, however, had slowed considerably and were making little forward progress.

By August 17, the breakout which started on August 16 had reached the end Highway 130. The flows, however, had slowed considerably and were making little forward progress.

Image: Puhi-o-Kalaikini Western Entry
Puhi-o-Kalaikini Western Entry
Puhi-o-Kalaikini Western Entry
Puhi-o-Kalaikini Western Entry

The small western entry point at Puhi-o-Kalaikini stopped this week, leaving just main entry point at the central tip of the delta. The delta is now 985 m (3230 ft) long and reaches up to about 170 m (560 ft) out into the ocean from the old sea cliff. It has a surface area of 28 acres.

The small western entry point at Puhi-o-Kalaikini stopped this week, leaving just main entry point at the central tip of the delta. The delta is now 985 m (3230 ft) long and reaches up to about 170 m (560 ft) out into the ocean from the old sea cliff. It has a surface area of 28 acres.

Image: Distant Plume from Puhi-o-Kalaikini
Distant Plume from Puhi-o-Kalaikini
Distant Plume from Puhi-o-Kalaikini
Distant Plume from Puhi-o-Kalaikini

The plume from the Puhi-o-Kalaikini ocean entry is easily visible from Highway 130, on the hill descending towards Kalapana. Just in front of the ocean entry plume, the houses of Kalapana Gardens subdivision can be seen on the 1990 lava flows.

The plume from the Puhi-o-Kalaikini ocean entry is easily visible from Highway 130, on the hill descending towards Kalapana. Just in front of the ocean entry plume, the houses of Kalapana Gardens subdivision can be seen on the 1990 lava flows.

Image: Halema'uma'u Vent Gas Plume
Halema'uma'u Vent Gas Plume
Halema'uma'u Vent Gas Plume
Halema'uma'u Vent Gas Plume

The largely crusted surface of the lava lake in the Halema'uma'u vent slowly moves from north (top of the photo) to south. During high lava stands, like that shown here, this circulation is so slow as to be nearly imperceptible to the naked eye.

The largely crusted surface of the lava lake in the Halema'uma'u vent slowly moves from north (top of the photo) to south. During high lava stands, like that shown here, this circulation is so slow as to be nearly imperceptible to the naked eye.

Image: Puhi-o-Kalaikini Ocean Entry Steam Plume
Puhi-o-Kalaikini Ocean Entry Steam Plume
Puhi-o-Kalaikini Ocean Entry Steam Plume
Puhi-o-Kalaikini Ocean Entry Steam Plume

A wide shot of the coastal plain showing the Puhi-o-Kalaikini ocean entry in the foreground, producing a medium size steam plume. Fuming areas on the hillside mark the trace of the current lava tube, which confines the lava until it ultimately reaches the ocean. The road that abruptly ends is Highway 130, which currently hosts the County viewing area.

A wide shot of the coastal plain showing the Puhi-o-Kalaikini ocean entry in the foreground, producing a medium size steam plume. Fuming areas on the hillside mark the trace of the current lava tube, which confines the lava until it ultimately reaches the ocean. The road that abruptly ends is Highway 130, which currently hosts the County viewing area.

Image: Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry
Puhi-o-Kalaikini Ocean Entry

The Puhi-o-Kalaikini ocean entry and delta. The light colored lava on the delta behind the plume is from recent surface flows.

The Puhi-o-Kalaikini ocean entry and delta. The light colored lava on the delta behind the plume is from recent surface flows.

Image: Not so Fumy Pu'u 'O'o
Not so Fumy Pu'u 'O'o
Not so Fumy Pu'u 'O'o
Not so Fumy Pu'u 'O'o

Pu'u 'O'o was not as fumy today as usual, allowing decent views of the crater floor. The Pu'u 'O'o webcam, GPS station, and other equipment are the white dots on the crater rim.

Pu'u 'O'o was not as fumy today as usual, allowing decent views of the crater floor. The Pu'u 'O'o webcam, GPS station, and other equipment are the white dots on the crater rim.

Image: Littoral Explosion at the Puhi-o-Kalaikini Ocean Entry
Littoral Explosion at the Puhi-o-Kalaikini Ocean Entry
Littoral Explosion at the Puhi-o-Kalaikini Ocean Entry
Littoral Explosion at the Puhi-o-Kalaikini Ocean Entry

One of the many successive littoral explosions that occurred at the Puhi-o-Kalaikini ocean entry, where lava exiting the tube enters the water. The explosions were throwing ejecta up to about 20 meters.

One of the many successive littoral explosions that occurred at the Puhi-o-Kalaikini ocean entry, where lava exiting the tube enters the water. The explosions were throwing ejecta up to about 20 meters.

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