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Volcano Watch: Kilauea activity update for January 21, 2016


Time-lapse thermal image movie of Halemaumau Overlook Vent. January 14-21, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Overlook Vent. January 14-21, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Halemaʻumaʻu Overlook Vent from Hawaiian Volcano Observatory. January 14-21, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Crater looking Southwest. January 14-21, 2016. Images courtesy of Hawaii Volcanoes National Park


Time-lapse movie of KÄ«lauea Caldera from Hawaiian Volcano Observatory. January 14-21, 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 level varied between about 34 and 43 m (110–140 ft) below the vent rim within Halema‘uma‘u Crater. On the East Rift Zone, scattered lava flow activity remained within about 6 km (4 mi) of Puʻu ʻŌʻō, and is not currently threatening nearby communities.

Mauna Loa is not erupting. Seismicity remains elevated above long term background levels. GPS measurements continue to show deformation related to inflation of magma reservoirs beneath the summit and upper Southwest Rift Zone of Mauna Loa.

One earthquake was reported felt on the Island of Hawai‘i during the past week. On Monday, January 18, at 1:52 a.m., HST, a magnitude-3.9 earthquake occurred 6.7 km (4.1 mi) north of the Mauna Loa summit at a depth of 12.0 km (7.5 mi).


Time-lapse multi-image movie of Pu’u ‘O’o Crater. January 14-21, 2016. Images courtesy of USGS/HVO


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. January 14-21, 2016. Images courtesy of USGS/HVO


Time-lapse movie of Pu’u ‘O’o Crater North Flank from the North Rim. January 14-21, 2016. Images courtesy of USGS/HVO

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