Kilauea, Hawaii, USA

HVO reported that during 24-30 December lava flowed SE through a tube system from underneath Kilauea’s Thanksgiving Eve Breakout (TEB) and rootless shield complex, reaching the Waikupanaha ocean entry. Thermal anomalies were detected on satellite imagery at the base of the pali and on the coastal plain. Explosions at the ocean entry were noted on 26 and 29 December.

Earthquakes were variously located beneath the caldera, along the S-flank fault, and along the SW rift zone. The vent in Halema’uma’u crater continued to produce a predominantly white plume that drifted mainly SW. Following a decreasing trend since 15 December, the vent produced minimal amounts of tephra that mostly consisted of fine rock dust. The sulfur dioxide emission rate at the summit was 400 and 800 tonnes per day on 24 and 29 December, respectively; 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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