Categorized | Featured, Sci-Tech, Videos, Volcano

Volcano Watch: Kilauea activity update for May 28, 2015


Time-lapse movie of Halemaumau Crater from the south rim. May 21-28, 2015. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Overlook Vent. May 21-28, 2015. Images courtesy of USGS/HVO


Time-lapse thermal image movie of Halemaumau Overlook Vent. May 21-28, 2015. Images courtesy of USGS/HVO

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

Kīlauea’s summit lava lake level fluctuated over the past week, but remained well below the Overlook crater (vent) rim and out of direct view from Jaggar Museum. Deflation resulted in the lake reaching a low level on May 26, at about 65 m (210 ft) below the Overlook crater rim. With subsequent inflation, the lake had reached about 48 m (160 ft) below the vent rim on May 28.

Kīlauea’s East Rift Zone lava flow continues to feed widespread breakouts northeast of Puʻu ʻŌʻō. The active flows have been within 8.6 km (5.3 mi) of Puʻu ʻŌʻō over the past week.

Two earthquakes were reported felt on the Island of Hawai‘i in the past week. On Friday, May 22, 2015, at 7:07 p.m., HST, a magnitude-2.9 earthquake occurred 2.1 km (1.3 mi) northeast of Waimea at a depth of 16.2 km (10.1 mi). On Thursday, May 28 at 5:56 a.m., HST, a magnitude-2.7 earthquake occurred 6.6 km (4.1 mi) northwest of Captain Cook at a depth of 13.5 km (8.4 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 of Pu’u ‘O’o Crater North Flank from the North Rim. May 21-28, 2015. Images courtesy of USGS/HVO

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