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Volcano Watch: Kilauea activity update for March 31, 2016


Vigorous breakouts on the Puʻu ʻŌʻō flow field. Video taken Friday, March 25, 2016 courtesy of USGS/HVO


Time-lapse thermal image movie of Halemaumau Overlook Vent. March 24-31, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Overlook Vent. March 24-31, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Crater looking Southwest. March 24-31, 2016. Images courtesy of Hawaii Volcanoes National Park


Time-lapse movie of Halemaʻumaʻu Overlook Vent from Hawaiian Volcano Observatory. March 24-31, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Kīlauea Caldera from Hawaiian Volcano Observatory. March 24-31, 2016. 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. During the past week, the summit lava lake was relatively stable, with the lake level around 30 – 35 m (98 – 115 ft) below the vent rim within Halemaʻumaʻu Crater. On the East Rift Zone, scattered lava flow activity continues within about 8 km (5 mi) of Puʻu ʻŌʻō. These flows were not threatening nearby communities.

Mauna Loa is not erupting. No significant changes in seismicity were recorded over the past week. GPS measurements show continued deformation related to inflation of a magma reservoir beneath the summit and upper Southwest Rift Zone of Mauna Loa, with inflation recently occurring mainly in the southwestern part of the magma storage complex.

Two earthquakes were reported felt in Hawaii this past week. On Wednesday, March 30, 2016 at 3:10 a.m., HST a magnitude 3.8 earthquake occurred 35.5 km (22.1 mi) southeast of Na`alehu, Hawai’i at a depth of 43.3 km (26.9 mi). On Monday, March, 28, 2016 at 4:03 a.m., HST a magnitude 3.7 earthquake occurred 0.5 km (0.3 mi) northwest of Kahului, Maui at a depth of 25.9 km (16.1 mi).

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 from images gathered from a temporary thermal camera looking into Pu’u ‘O’o Crater. The temperature scale is in degrees Celsius up to a maximum of 500 Celsius (932 Fahrenheit) for this camera model, and scales based on the maximum and minimum temperatures within the frame. Thick fume, image pixel size and other factors often result in image temperatures being lower than actual surface temperatures. March 24-31, 2016. Images courtesy of USGS/HVO


Time-lapse multi-image movie of Pu’u ‘O’o Crater. March 24-31, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Pu’u ‘O’o Crater North Flank from the North Rim. March 24-31, 2016. Images courtesy of USGS/HVO

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