Monday, 7 March 2011

Kilauea Volcano Alert Level Orange

Hawaii - Kilauea Volcanic eruption - Alert Level Orange:
http://volcanoes.usgs.gov/hvo/activity/kilaueastatus.php

Volcanic Activity Summary: At 1:42 p.m. this afternoon, HVO instruments indicated the onset of rapid deflation at Pu'u 'O'o and increased tremor along Kilauea's middle east rift zone. At 2:00 p.m., Kilauea's summit began to deflate.

Between 2:16 and 2:21 p.m., the floor of the Pu'u 'O'o crater began to collapse, and within 10 minutes, incandescent ring fractures opened on the crater floor a few tens of meters away from the crater wall. As the floor continued to drop, lava appeared in the center of the crater floor, the NE spatter cone collapsed, and an obvious scarp developed on the west side of the crater floor, with lava cascading over the scarp toward the center of the crater.

YT Lava Casscade Kilauea

March 5, 2011 - Crater Floor Collapse at Pu'u 'O'o


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