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Volcano Watch: Kilauea activity update for January 10, 2013

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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 inflation phase of a deflation-inflation cycle (DI event) at Kilauea’s summit started on January 5. The lava lake had risen to within 40 m (130 ft) of the Halema`uma`u Crater floor before the DI event switched to deflation on Thursday, January 10, when the lava lake began to drop. The lava level will likely continue falling until inflation resumes.

On Kilauea’s east rift zone, surface lava flows remain active near the coast and are feeding weak ocean entries on both sides of the Hawai`i Volcanoes National Park boundary. Within Pu`u `O`o, the lava lake on the northeastern side of the crater floor produced small flows that overflowed the northeastern rim of the crater and traveled a short distance down the flank of the Pu`u `O`o cone on Thursday, January 10 (the day of this writing).

There were two felt earthquakes reported on the Island of Hawai`i in the past week. On January 4, 2013, at 3:42 p.m., HST, a magnitude-2.9 earthquake occurred 6 km (4 mi) southwest of `O`okala at a depth of 11 km (7 mi). On January 5, at 4:37 a.m., a magnitude-4.6 earthquake occurred 10 km (6 mi) west of Kalapana at a depth of 9 km (6 mi).

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Time-lapse movie of the Peace Day Flow area

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