Volcano Watch: Kilauea activity update for February 9, 2017

February 9, 2017 Firehose Lava! from Mick Kalber on Vimeo.

Video courtesy of Tropical Visions Video with air transportation by Paradise Helicopters.


Kīlauea Volcano’s Kamokuna ocean entry. Wednesday (Feb 8), the “firehose flow” could be clearly seen from the public lava viewing area, 800 meters (about one-half mile) east of the ocean entry, in Hawaiʻi Volcanoes National Park. Video taken Wednesday, February 8, 2017 courtesy of USGS/HVO


Time-lapse thermal image movie of Halemaumau Overlook Vent. February 2-9, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Overlook Vent. February 2-9, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Halemaʻumaʻu Overlook Vent from Hawaiian Volcano Observatory. February 2-9, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Crater looking Southwest. February 2-9, 2017. Images courtesy of Hawaii Volcanoes National Park


Time-lapse movie of Kīlauea Caldera from Hawaiian Volcano Observatory. February 2-9, 2017. Images courtesy of USGS/HVO

(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.)

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 15 and 34 m (49–112 ft) below the vent rim. The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts near Pu‘u ‘Ō‘ō. The 61g flows do not pose an immediate threat to nearby communities.

Mauna Loa is not erupting. During the past week, small-magnitude (up to magnitude 3.0) earthquakes continued, primarily beneath the upper Southwest Rift Zone and the Northeast Rift zone at depths less than 5 km (3 miles). A small number of earthquakes also occurred on the west flank of the volcano at depths above 13 km (8 miles). Global Positioning System (GPS) measurements continue to show deformation related to inflation of a magma reservoir beneath the summit and upper Southwest Rift Zone.

Three earthquakes were reported felt in Hawaii this past week. On February 3, 2017, at 10:07 a.m., HST, a magnitude-2.8 earthquake occurred 4.8 km (3.0 mi) north of Mauna Loa’s summit at a depth of 10 km (6 mi), and at 12:41 a.m., a magnitude-3.4 earthquake occurred 13.8 km (8.6 mi) southeast of Kīlauea’s summit at a depth of 9 km (5 mi). On February 6, at 12:08 a.m., a magnitude-3.0 earthquake occurred 69.1 km (42.9 mi) southwest of Mākena, Maui, at a depth of 44 km (27 mi).

Please visit the HVO website (hvo.wr.usgs.gov) for past Volcano Watch articles, Kīlauea daily eruption updates, Mauna Loa weekly updates, volcano photos, recent earthquakes info, and more; call for summary updates at 808-967-8862 (Kīlauea) or 808-967-8866 (Mauna Loa); email questions to askHVO@usgs.gov.


Time-lapse movie of Pu’u ‘O’o Crater. February 2-9, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Pu’u ‘O’o Crater East Flank. February 2-9, 2017. Images courtesy of USGS/HVO


Time-lapse multi-image movie of Mokuʻāweoweo Caldera from the Northwest Rim on Mauna Loa. February 2-9, 2017. Images courtesy of USGS/HVO

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May 26, 2017 / 5:15 pm

 

 

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