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Kilauea (United States) - Report for 16 November-22 November 2011

During 16-22 November, HVO reported that the lava lake circulated and periodically rose and fell in the deep pit within Kilauea's Halema'uma'u Crater, remaining below the inner ledge (75 m below the crater floor). Almost daily measurements indicated that the gas plume from the vent continued to deposit variable amounts of ash and fresh spatter nearby. Incandescence was visible from the E and W edges of the Pu'u 'O'o crater floor, and from the 21 September fissure on the SE flank of Pu'u 'O'o cone. Pahoehoe flows, fed through lava tubes from the fissure, continued to be active about 5 km SE of Pu'u 'O'o based on intermittent views from satellite. Incandescence from a skylight on the lava tube was also observed. During 18-19 November the vent on the E edge of the crater produced lava flows that partially filled the depression left by the flank fissure eruption in September. There were also two brief and small lava-flow effusions from the W edge vent. Intermittent lava flows continued from the E vent during 20-22 November.

Source: US Geological Survey Hawaiian Volcano Observatory (HVO)

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Read more http://www.volcano.si.edu/reports/usgs/index.cfm?wvarweek=20111116#kilauea

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