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Time-lapse movie of Halemaumau overlook vent
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Time-lapse thermal image movie of Halemaumau overlook vent
(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.)
A lava lake within the Halema`uma`u Overlook vent produced nighttime glow that was visible from the Jaggar Museum overlook and via HVO’s Webcam during the past week. The lake level over the past week fluctuated, due to deflation-inflation cycles, and was generally 50-60 m (165-200 ft) below the floor of Halema`uma`u.
On Kilauea’s east rift zone, breakouts from the Peace Day tube remain active above the pali and on the coastal plain. Small ocean entries are active on both sides of the Hawai`i Volcanoes National Park boundary. The Kahauale`a flow is no longer active, it’s front stalling about 5 km (3 mi) northeast from Pu`u `O`o.
There was one felt earthquake in the past week. On Thursday, April 25, 2013, at 2:21
a.m., HST, a magnitude-3.1 earthquake occurred 6 km (4 mi) north of Mountain View
at a depth of 1 km (1 mi).
Visit the HVO Web site (http://hvo.wr.usgs.gov) for Volcano Awareness Month details and Kilauea, Mauna Loa, and Hualalai activity updates, recent volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kilauea summary; email questions to askHVO@usgs.gov.
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Time-lapse thermal image movie of Pu‘u ‘O‘o Crater
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Time-lapse movie of the Peace Day Flow area