Tag Archive | "lavatalk"

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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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Volcano Watch: Latest upgrade of seismic stations at Kīlauea summit completed

Field engineers at the USGS Hawaiian Volcano Observatory (HVO) recently completed a multi-year effort to upgrade a subset of seismic stations at the summit of Kīlauea Volcano.

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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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Volcano Watch: Tracking the latest moves of Kīlauea and Mauna Loa

A diverse array of techniques is utilized to monitor volcanoes around the world, including those in Hawaiʻi.

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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: Volcanoes, Landslides, and Angry Gods—A Pacific Northwest Connection

Both volcanoes and landslides are important for landscape evolution in Hawaii and worldwide. In Washington State, an old legend makes the connection between them.

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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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Volcano Watch: HVO’s website makeover is more than skin deep

The changes to HVO’s website are much more than “skin” deep—its “bones” are completely different.

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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: A geologist remembers the Mount St. Helens eruption 37 years ago

Nearly half a mile wide, the column of ash and volcanic gas rose from the crater to a height of more than 24 km (80,000 ft).

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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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Jul 27, 2017 / 5:15 pm

 

 

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