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Volcano Watch: Kilauea activity update for September 18, 2014


Kīlauea Caldera from HVO (9/11-18/14)


Halemaʻumaʻu Overlook Vent from HVO (9/11-18/14)


Time-lapse movie of Halemaumau Crater (9/11-18/14)


Thermal image movie of Halemaumau Crater (9/11-18/14)


View of Halemaumau Crater (9/11-18/14)

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

The June 27th lava flow from Puʻu ʻŌʻō remained active on Kīlauea Volcano’s East Rift Zone. The active flow front was 16.2 km (10.1 mi) from the vent and 2.5 km (1.6 mi) from Apaʻa Street/Cemetery Road as of September 18 (the time of this writing), and moving in a northeasterly direction. Within the Puʻu ʻŌʻō crater, glow was visible above several small lava ponds and outgassing openings in the crater floor.

The summit lava lake within Halemaʻumaʻu Crater produced nighttime glow that was visible via HVO’s webcam over the past week. The lava lake level ranged from 50 to 55 m (164–180 ft) below the rim of the Overlook crater.

There were no earthquakes reported felt on the Island of Hawai‘i during the past week.

Visit the HVO website (hvo.wr.usgs.gov) for past Volcano Watch 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 askHVO@usgs.gov


Multi-image movie of Pu’u ‘O’o Crater. (9/11-18/14)


Thermal image movie of Pu‘u ‘O‘o Crater (9/11-18/14)


Pu’u ‘O’o Crater North Flank. (9/11-18/14)


Pu’u ‘O’o Crater South Flank. (9/11-18/14)


Pu’u ‘O’o Crater East Flank. (9/11-18/14)


Pu’u ‘O’o Crater West Flank. (9/11-18/14)


Mokuʻāweoweo Caldera (9/11-18/14)

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