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Volcano Watch: Kilauea activity update for March 2, 2017

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


Time-lapse movie of Halemaumau Overlook Vent. February 23-March 2, 2017. Images courtesy of USGS/HVO


Time-lapse thermal image movie of Halemaumau Overlook Vent. February 23-March 2, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Halemaʻumaʻu Overlook Vent from Hawaiian Volcano Observatory. February 23-March 2, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Kīlauea Caldera from Hawaiian Volcano Observatory. February 23-March 2, 2017. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Crater looking Southwest. February 23-March 2, 2017. Images courtesy of Hawaii Volcanoes National Park

(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 20 and 30 m (66–98 ft) below the vent rim. The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Puʻu ʻŌʻō on the pali and the coastal plain. The 61g flows do not pose an immediate threat to nearby communities.

Mauna Loa is not erupting. During the past week, small-magnitude earthquakes continued to occur beneath the volcano, primarily beneath the east flank and upper Southwest Rift Zone. GPS measurements continue to show deformation related to inflation of a magma reservoir beneath the summit and upper Southwest Rift Zone. No significant change in the summit fumarole temperature was noted this past week.

One earthquake was reported felt on the Island of Hawai’i in the past week. On Monday, February 27 at 4:34 p.m. HST, a magnitude 2.8 earthquake occurred 7.9 km (4.9 mi) west northwest of the Mauna Kea summit at a depth of 23 km (14 mi).

Please visit the HVO website (hvo.wr.usgs.gov) for past Volcano Watch articles, Kīlauea daily eruption updates and other volcano status reports, current volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kīlauea summary update; email questions to askHVO@usgs.gov.


Time-lapse movie of Pu’u ‘O’o Crater. February 23-March 2, 2017. Images courtesy of USGS/HVO


Time-lapse image movie from a research camera positioned on Holei Pali, looking east towards Lava Flow 61G and Kalapana. February 23-March 2, 2017. Images courtesy of USGS/HVO

The surface breakout that started on February 10 remains active on the coastal plain just east of the main episode 61g lava flow field. The flow front, pictured here, advanced to about 300 m (0.2 miles) from the emergency access road in Hawaiʻi Volcanoes National Park, but appeared to be stalled this afternoon. However, there is still active pāhoehoe visible on the coastal plain, with the closest breakouts observed at about 500 m (0.3 miles) from the road. Photo taken Saturday, March 2, 2017 courtesy of USGS/HVO

The surface breakout that started on February 10 remains active on the coastal plain just east of the main episode 61g lava flow field. The flow front, pictured here, advanced to about 300 m (0.2 miles) from the emergency access road in Hawaiʻi Volcanoes National Park, but appeared to be stalled this afternoon. However, there is still active pāhoehoe visible on the coastal plain, with the closest breakouts observed at about 500 m (0.3 miles) from the road. Photo taken Saturday, March 2, 2017 courtesy of USGS/HVO

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May 25, 2017 / 5:15 pm

 

 

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