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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 within the Halema`uma`u Overlook vent resulted in night-time glow that was visible from the Jaggar Museum overlook during the past week. The lake has been about 60–80 m (200–260 ft) below the floor of Halema`uma`u Crater and was visible by HVO’s Webcam through much of the last month. This past week, the level fluctuated slightly due to three deflation-inflation (DI) cycles at the summit and several gas-driven rise-fall cycles.

On Kilauea’s east rift zone, surface lava flows on the pali and coastal plain continued to be active. The flow front has made no net advancement over the past week and has lingered 1.0-1.5 km (0.6-1.0 mi) from the water, near the boundary of Hawai`i Volcanoes National Park. There was no active ocean entry. Within Pu`u `O`o, a lava pond was active in the eastern portion of the crater.

No earthquakes were reported felt under the island of Hawai`i in the past week.

Visit the HVO Web site (http://hvo.wr.usgs.gov) for detailed 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 movie of the Peace Day Flow