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Time-lapse movie of Halemaumau Overlook Vent
(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.)
A lava lake present within the Halema`uma`u Overlook vent over the past week resulted in night-time glow that was visible from the Jaggar Museum overlook. The lake, which is about 75–100 m (245-330 ft) below the floor of Halema`uma`u Crater and visible by HVO’s Webcam, rose and fell slightly during the week in response to deflation-inflation cycles.
On Kilauea’s east rift zone, surface lava flows advanced across the coastal plain and reached the ocean at West Ka`ili`ili, within the National Park, on December 9. Flows continued to be active in the abandoned Royal Gardens subdivision over the past week, as well. The flows traveled through a lava tube fed by the September 21 fissure on the upper east flank of the Pu‘u ‘O‘o cone. Within Pu‘u ‘O‘o crater, small flows were erupted sporadically on the eastern crater floor.
Three earthquakes beneath Hawai`i Island were reported felt this past week. A magnitude-2.0 earthquake occurred at 11:01 p.m., HST, on Thursday, December 8, 2011, and was located 4 km (3 mi) north of Kawaihae at a depth of 26 km (16 mi). A magnitude-2.1 earthquake occurred at 9:39 p.m. on Friday, December 9, and was located 5 km (3 mi) southeast of Captain Cook at a depth of 11 km (7 mi). A magnitude-3.5 earthquake occurred at 1:03 p.m. on Saturday, December 10, and was located 6 km (4 mi) southeast of Kilauea summit at a depth of 26 km (16 mi).
Visit the HVO Web site (http://hvo.wr.usgs.gov) for detailed Kilauea and Mauna Loa 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 movie of Pu‘u ‘O‘o Crater. December 8–15, 2011
I live on Oahu & was in Pearl City at 1pm and definitely felt the Dec 10th Big Island earthquake.