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Volcano Hazard Program videos.

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Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō

Between June 16 and June 23, 2006, the floor of the pit containing the "Drainhole" vent collapsed, revealing a small lava pond about 12 meters across. Gas pistons continued to occur but were much larger, as is evident when comparing this movie to the others with the same title.

Between June 16 and June 23, 2006, the floor of the pit containing the "Drainhole" vent collapsed, revealing a small lava pond about 12 meters across. Gas pistons continued to occur but were much larger, as is evident when comparing this movie to the others with the same title.

Gas Pistons within the Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons within the Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons within the Drainhole Vent at Pu‘u ‘Ō‘ō

(June 3, 2006, 06:00:03 to 13:20:03) This movie sequence shows another example of gas pistoning (described in "Gas pistons withing the Drainhole vent at Pu‘u ‘Ō‘ō", 06-02-2006) captured by the same camera used to compile the previous movie.

(June 3, 2006, 06:00:03 to 13:20:03) This movie sequence shows another example of gas pistoning (described in "Gas pistons withing the Drainhole vent at Pu‘u ‘Ō‘ō", 06-02-2006) captured by the same camera used to compile the previous movie.

Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō
Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō

June 3, 2006, 21:00:05 to June 4, 2006, 01:00:04) This movie sequence is a third example of gas pistoning (described below) captured by the same camera used to compile the other "Gas pistons within the Drainhole vent at Pu‘u ‘Ō‘ō" movies .

June 3, 2006, 21:00:05 to June 4, 2006, 01:00:04) This movie sequence is a third example of gas pistoning (described below) captured by the same camera used to compile the other "Gas pistons within the Drainhole vent at Pu‘u ‘Ō‘ō" movies .

Halema`uma`u Lava Lake Spattering
Halema`uma`u Lava Lake Spattering
Halema`uma`u Lava Lake Spattering

Quicktime movie showing spattering at the south edge of the lava lake in the vent at Halema‘uma‘u.

Quicktime movie showing spattering at the south edge of the lava lake in the vent at Halema‘uma‘u.

Lava Lake Spattering
Lava Lake Spattering
Lava Lake Spattering

Quicktime movie showing a close-up of spattering at the south edge of the lava lake in the vent at Halema‘uma‘u.

Quicktime movie showing a close-up of spattering at the south edge of the lava lake in the vent at Halema‘uma‘u.

Overflight of Halema`uma`u Crater
Overflight of Halema`uma`u Crater
Overflight of Halema`uma`u Crater

This Quicktime movie shows a quick video of the lava lake in Halema‘uma‘u crater taken during today's overflight. The lava surface has recently been very shallow, as little as 90 meters (98 yards) below the floor of Halema‘uma‘u crater.

This Quicktime movie shows a quick video of the lava lake in Halema‘uma‘u crater taken during today's overflight. The lava surface has recently been very shallow, as little as 90 meters (98 yards) below the floor of Halema‘uma‘u crater.

Plume Over Halema`uma`u Crater
Plume Over Halema`uma`u Crater
Plume Over Halema`uma`u Crater

Movie showing ashy plume rising above Kīlauea's summit vent in Halema‘uma‘u crater. The plume was the result of the collapse of a portion of the vent wall moments earlier.

Movie showing ashy plume rising above Kīlauea's summit vent in Halema‘uma‘u crater. The plume was the result of the collapse of a portion of the vent wall moments earlier.

Halema`uma`u Lava Lake
Halema`uma`u Lava Lake
Halema`uma`u Lava Lake

Movie of the lava lake in Kīlauea's summit vent in Halema‘uma‘u crater minutes after a slice of the vent wall had plunged into the lava. The lava lake is roiling violently as the recently added wall debris is digested by the lava. Slabs of rock can be seen breaking loose from the base of the overhanging vent wall and falling into the lava.

Movie of the lava lake in Kīlauea's summit vent in Halema‘uma‘u crater minutes after a slice of the vent wall had plunged into the lava. The lava lake is roiling violently as the recently added wall debris is digested by the lava. Slabs of rock can be seen breaking loose from the base of the overhanging vent wall and falling into the lava.

Kīlauea Large Collapse
Kīlauea Large Collapse
Kīlauea Large Collapse

Movie showing the second of five large collapses within Kīlauea's summit vent on the floor of Halema‘uma‘u. The collapse was captured by a Webcam located on the rim of Halema‘uma‘u directly above the erupting vent.

Movie showing the second of five large collapses within Kīlauea's summit vent on the floor of Halema‘uma‘u. The collapse was captured by a Webcam located on the rim of Halema‘uma‘u directly above the erupting vent.

Kīlauea Summit Vent Collapse
Kīlauea Summit Vent Collapse
Kīlauea Summit Vent Collapse

Movie showing the fourth of five large collapses within Kīlauea's summit vent on the floor of Halema‘uma‘u. The collapse was captured by a Webcam located on the rim of Halema‘uma‘u directly above the erupting vent.

Movie showing the fourth of five large collapses within Kīlauea's summit vent on the floor of Halema‘uma‘u. The collapse was captured by a Webcam located on the rim of Halema‘uma‘u directly above the erupting vent.

Vent Spattering Up Close
Vent Spattering Up Close
Vent Spattering Up Close

Movie showing spattering from a vent on the east wall of Pu‘u ‘Ō‘ō crater.

Movie showing spattering from a vent on the east wall of Pu‘u ‘Ō‘ō crater.

Erupting Vent and Flow (Pu`u `Ō`ō Crater)
Erupting Vent and Flow (Pu`u `Ō`ō Crater)
Erupting Vent and Flow (Pu`u `Ō`ō Crater)

A movie of the erupting vent on the east wall of Pu‘u ‘Ō‘ō Crater. The movie begins with a cascade of lava filling the southern opening on the east wall and ends at the spattering source, which is producing the cascading flow.

A movie of the erupting vent on the east wall of Pu‘u ‘Ō‘ō Crater. The movie begins with a cascade of lava filling the southern opening on the east wall and ends at the spattering source, which is producing the cascading flow.

Time-lapse Sequence from Pu‘u ‘Ō‘ō Crater
Time-lapse Sequence from Pu‘u ‘Ō‘ō Crater
Time-lapse Sequence from Pu‘u ‘Ō‘ō Crater

This Quicktime movie shows a timelapse sequence taken from a thermal camera on the rim of Pu‘u ‘Ō‘ō crater. The movie spans from May 26 to today and shows the rising level of the lava lake in the crater.

This Quicktime movie shows a timelapse sequence taken from a thermal camera on the rim of Pu‘u ‘Ō‘ō crater. The movie spans from May 26 to today and shows the rising level of the lava lake in the crater.

Refilling of Pu`u `Ō`ō Crater
Refilling of Pu`u `Ō`ō Crater
Refilling of Pu`u `Ō`ō Crater

This Quicktime movie shows the refilling of Pu‘u ‘Ō‘ō over the past two months, taken from a thermal camera on the south rim of the crater. Lavadrained from Pu‘u ‘Ō‘ō on March 5 during the Kamoamoa fissure eruption, and remained absent for several weeks.

This Quicktime movie shows the refilling of Pu‘u ‘Ō‘ō over the past two months, taken from a thermal camera on the south rim of the crater. Lavadrained from Pu‘u ‘Ō‘ō on March 5 during the Kamoamoa fissure eruption, and remained absent for several weeks.

Lava Pouring From Fissure
Lava Pouring From Fissure
Lava Pouring From Fissure

Video showing lava pouring from the fissure into a seemingly bottomless crack. Nāpau Crater in the background. Helicopter for scale.

Video showing lava pouring from the fissure into a seemingly bottomless crack. Nāpau Crater in the background. Helicopter for scale.

Lava Spattering Near Pu`u `Ō`ō
Lava Spattering Near Pu`u `Ō`ō
Lava Spattering Near Pu`u `Ō`ō

Video showing spattering from the most persistent vent of the day just west of the base of Pu‘u ‘Ō‘ō near the northeastern end of the fissuresystem.

Video showing spattering from the most persistent vent of the day just west of the base of Pu‘u ‘Ō‘ō near the northeastern end of the fissuresystem.

Fissure Eruption Between Pu‘u ‘Ō‘ō and Nāpau Crater
Fissure Eruption Between Pu‘u ‘Ō‘ō and Nāpau Crater
Fissure Eruption Between Pu‘u ‘Ō‘ō and Nāpau Crater

Video clip shot from the air looking SW at the fissure eruption between Pu‘u ‘Ō‘ō and Nāpau Crater.

Video clip shot from the air looking SW at the fissure eruption between Pu‘u ‘Ō‘ō and Nāpau Crater.

Fissure Propagating
Fissure Propagating
Fissure Propagating

Video clip shot in front of the propagating fissure, showing low spattering that started moments earlier.

Video clip shot in front of the propagating fissure, showing low spattering that started moments earlier.

Lava Spatter
Lava Spatter
Lava Spatter

Video of spattering near the front of the propagating fissure.

Video of spattering near the front of the propagating fissure.

Vent Collapse at Rim of Halema`uma`u
Vent Collapse at Rim of Halema`uma`u
Vent Collapse at Rim of Halema`uma`u

This video, also compiled from the Webcam on the rim of Halema‘uma‘u, shows the north rim of the vent collapsing.

This video, also compiled from the Webcam on the rim of Halema‘uma‘u, shows the north rim of the vent collapsing.

Rim Collapsing into Lava Lake
Rim Collapsing into Lava Lake
Rim Collapsing into Lava Lake

This clip, captured by a video camera on the rim of Halema‘uma‘u to the southwest of the vent, shows a small slice of the western rim of the vent collapsing into the lava lake and includes sound.

This clip, captured by a video camera on the rim of Halema‘uma‘u to the southwest of the vent, shows a small slice of the western rim of the vent collapsing into the lava lake and includes sound.