Tag Archive | "lava"

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Volcano Watch: Kilauea activity update for June 22, 2017

On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna.

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Volcano Watch: Kilauea activity update for June 15, 2017

This past week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging around 13–38.5 m (43–126 ft) below the vent rim.

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A view of the northern Overlook crater wall, through passing fume. The lake surface (lower left in photo) was about 22 meters (72 feet) below the crater rim (upper right in photo). The uppermost section of the crater wall is formed by stacks of thin overflows from mid-2015. The main section of the wall, with a light pink color here, is the older portions of the Halema‘uma‘u Crater floor, formed from lava flows that filled the crater decades ago. At the base of the wall, spattering from the lake has deposited a thin black veneer of lava on the crater wall. Sometimes these spatter deposits built out small ledges, and form bulbous protrusions (center of photo) when the lake level drops. Photo taken Sunday, June 4, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for June 8, 2017

This past week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging around 21–37 m (69–121 ft) below the vent rim.

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This photo from a video clip shows HVO geologist Tim Orr sampling lava from an active pāhoehoe breakout on the episode 61g lava flow. The chemistry of these lava samples provides information on the magma plumbing system. Sampling has been a regular part of monitoring Kīlauea Volcano's ongoing Pu‘u ‘Ō‘ō eruption. Photo taken Wednesday, May 31, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for June 1, 2017

On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and scattered surface breakouts downslope of Pu‘u ‘Ō‘ō.

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Volcano Watch: Kilauea activity update for May 25, 2017

On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō.

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halemaumau-thermal-2017-05-18-074502

Volcano Watch: Kilauea activity update for May 18, 2017

This past week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging around 15–28 m (49–92 ft) below the vent rim.

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A telephoto lens provided a close-up view of the seaward edge of the Kamokuna lava delta, where multiple, small streams of lava were entering the ocean today. Fragments of hot lava can be seen floating in the water. Photo taken Sunday, May 7, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for May 11, 2017

On the East Rift Zone, the 61g flow was still active, with lava entering the ocean near Kamokuna, rebuilding the lava delta that collapsed last week.

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Volcano Watch: Kilauea activity update for May 4, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging 15-32 m (49-105 ft) below the vent rim.

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Volcano Watch: Kilauea activity update for April 27, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated in concert with summit inflation and deflation, ranging 13-22 m (43-72 ft) below the vent rim.

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Volcano Watch: Kilauea activity update for April 20, 2017

On the East Rift Zone, the 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō.

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The Kamokuna ocean entry, with the laze plume blocking the view of the delta. The billowing white cloud rising from the ocean entry is a corrosive seawater plume laden with hydrochloric acid and fine volcanic particles that can irritate the skin, eyes, and lungs. Photo taken Monday, April 10, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for April 13, 2017

Kīlauea continues to erupt at its summit and East Rift Zone.

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Volcano Watch: Kilauea activity update for April 6, 2017

This past week, the summit lava lake level varied between about 12 and 41 m (39-135 ft) below the vent rim. The 61g flow was still active, with lava entering the ocean and building a small delta near Kamokuna.

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Jun 26, 2017 / 5:15 pm

 

 

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