Kilauea, Hawaii, USA

HVO reported that during 7-13 January lava flowed SE through a tube system from underneath Kilauea’s Thanksgiving Eve Breakout (TEB) and rootless shield complex, reaching the Waikupanaha ocean entry. Surface flows were noted on the coastal plain and incandescence was seen at the base of the pali. Explosions at the ocean entry were seen on 6, 8, and 11 January. A lobe of lava called the Prince lobe, to the W of Waikupanaha, advanced to within about 160 m of the coastline.

The vent in Halema’uma’u crater continued to produce a predominantly white plume that drifted mainly SW. Tephra production had stopped; rockfalls inside the vent continued. An infrared camera showed that the vent conduit was closed by rubble deep beneath the floor of the crater. The sulfur dioxide emission rate at the summit was 800 tonnes per day on 7 January; above the 2003-2007 average rate of 140 tonnes per day. Variable winds periodically caused sulfur dioxide concentrations in the air to reach unsafe levels and effect nearby communities, and caused the Jaggar Museum to close on 12 January.

Source: US Geological Survey Hawaiian Volcano Observatory (HVO) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

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