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Volcano Watch: Kilauea activity update for July 17, 2014

Pu’u ‘O’o Crater East Flank. (7/10-17/14)

Multi-image movie of Pu’u ‘O’o Crater. (7/10-17/14)

Thermal image movie of Pu‘u ‘O‘o Crater (7/10-17/14)

(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.)

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week. The lava lake level dropped early in the week, reaching about 50 m (~165 ft) below the rim of the Overlook crater, before rising back to about 30 m (~100 ft) by Thursday, July 17.

On Kīlauea’s East Rift Zone, the lava pond constructed over the June 27 breakout point has been abandoned, and, instead, tube-fed lava flows have begun to advance toward the northeast. These flows have reached roughly 2 km from the vent. At Pu‘u ‘Ō‘ō, the crater continues to subside, though sporadically. Pits that formed in the crater floor after June 27 contain small lava ponds.

One earthquake was reported felt during the past week on the Island of Hawai‘i. On Saturday, July 12, 2014, at 1:16 p.m., HST, a magnitude-2.9 earthquake occurred 3 km (2 mi) southwest of Laupāhoehoe at the depth of 15 km (10 mi).

Visit the HVO website ( for past Volcano Awareness Month articles and current Kīlauea, Mauna Loa, and Hualālai activity updates, recent volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kīlauea summary; email questions to

Time-lapse movie of Halemaumau Crater (7/10-17/14)

Thermal image movie of Halemaumau Crater (7/10-17/14)

Kīlauea Caldera from HVO (7/10-17/14)

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