Tag Archive | "lava"

20171212-usgs-kilauea-03-t

Volcano Watch: Kilauea activity update for December 14, 2017

This past week, Kīlauea Volcano’s summit lava lake level generally rose in concert with summit inflation, ranging from about 50 to 30 m (98–162 ft) below the vent rim.

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20171207-usgs-61G Lava Breakout-02-t

Volcano Watch: Kilauea activity update for December 7, 2017

On the East Rift Zone, the 61g lava flow remained active downslope of Pu‘u ‘Ō‘ō, with scattered breakouts on the pali and coastal plain, but no ocean entry.

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Volcano Watch: Kilauea activity update for November 30, 2017

n the East Rift Zone, the 61g lava flow remained active downslope of Pu‘u ‘Ō‘ō, with scattered breakouts on the pali and coastal plain.

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20171120-halemaumau-spattering

Volcano Watch: Kilauea activity update for November 23, 2017

On the East Rift Zone, the 61g lava flow remained active downslope of Pu‘u ‘Ō‘ō, with scattered breakouts on the coastal plain.

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20171117-usgs-lavaflow-01-t

Volcano Watch: Kilauea activity update for November 16, 2017

On the East Rift Zone, the 61g lava flow remained active downslope of Pu‘u ‘Ō‘ō, with scattered breakouts on the coastal plain.

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halemaumau-thermal-2017-11-09-081502

Volcano Watch: Kilauea activity update for November 9, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated with summit inflation and deflation, ranging about 28–34 m (92–112 ft) below the vent rim.

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20171026-usgs-lavaflow-03-t

Volcano Watch: Kilauea activity update for November 2, 2017

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

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Scientific Investigations Map 3387

Volcano Watch: USGS maps identify lava inundation zones for Mauna Loa

Lava inundation maps provide a good first-order understanding of specific areas that could be affected by Mauna Loa lava flows. This information is critical for response planning.

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halemaumau-thermal-2017-10-26-081504

Volcano Watch: Kilauea activity update for October 26, 2017

Mauna Loa is not erupting. Small-magnitude earthquakes occurred beneath the summit caldera and upper Southwest Rift Zone, mostly at depths less than 3 miles, with some deeper events at depths of 3–8 miles.

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20171013-usgs-lavaflow-01-t

Volcano Watch: Kilauea activity update for October 19, 2017

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

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Time-lapse image of multiple lava cascades on the sea cliff on October 4 at 3:31 am (HST). Just a few of the many resulting surface flows can be seen on the delta both below the cliff and near the front, which is lit by lava and moonlight. Photo taken Friday, October 6, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for October 12, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated with summit inflation and deflation, ranging about 32–39 m (105–128 ft) below the vent rim.

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halemaumau-thermal-2017-10-05-100003

Volcano Watch: Kilauea activity update for October 5, 2017

Mauna Loa is not erupting. During the past week, small-magnitude earthquakes continued to occur beneath the summit caldera and upper Southwest Rift Zone, primarily at depths less than 3 miles.

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20170921-usgs-puuoo-01-t

Volcano Watch: Kilauea activity update for September 28, 2017

This past week, Kīlauea Volcano’s summit lava lake level fluctuated with summit inflation and deflation and ranged about 112–174 feet below the vent rim.

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20170919-usgs-61g-02-t

Volcano Watch: Kilauea activity update for September 21, 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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