Kilauea, Hawaii, USA

HVO reported that during 25 February-3 March lava flowed SE from underneath Kilauea’s Thanksgiving Eve Breakout (TEB) and rootless shield complex through a lava tube system, reaching the Waikupanaha ocean entry and occasionally producing explosions. A sizable collapse of the Waikupanaha bench was seen by a visitor on 28 February. Thermal anomalies noted during most days on the coastal plain suggested surface flows.

The vent in Halema’uma’u crater continued to produce a predominantly white plume that drifted mainly SW; incandescence was intermittently seen from the vent. Small amounts of ejected tephra, including Pele’s hair, were routinely collected. On 26 February, geologists utilizing an infrared camera saw two spattering and episodically degassing vents about 100 m below the vent rim. The sulfur dioxide emission rate at the summit was 1,100 tonnes per day on 27 February and 1 March; the 2003-2007 average rate was 140 tonnes per day.

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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