Kilauea, Hawaii, USA

HVO reported that during 27 August-2 September, lava flowed SE through a lava tube system from underneath Kilauea’s Thanksgiving Eve Breakout (TEB) and rootless shield complex and reached the Waikupanaha ocean entry. On 31 August, students from the University of Hawaii at Hilo reported low-level explosive activity at Waikupanaha.

A high number of Kilauea’s earthquakes were centered in various locations along the Koa’e fault system, beneath the summit, N of Kupaianaha, along the S-flank faults, and along the E and SW rift zones. Beneath Halema’uma’u crater, more than 40 and up to 400 small earthquakes per day (background 40) also occurred but were too small to be located more precisely. The vent in Halema’uma’u crater continued to produce a predominantly white plume with minor ash content that drifted mainly SW. The plume was occasionally tinged brown. Weak night-time incandescence was intermittently seen at the base of the plume, and rock impacts and muted rushing sounds were heard in the vicinity of the crater. During 26-27 August, multiple ash ejections were observed. On 27 August, the white plume was temporarily tinged brown and rose to a higher altitude following an explosive eruption (the fifth in 2008). Glass fragments and tephra up to 5 cm in diameter burned holes in a collection tarp placed near the overlook. Analysis of photos captured over the previous month showed that the vent had lengthened by almost 50 percent along the edge of the crater floor. On 29 August, the collection bin contained Pele’s hair , Pele’s tears , and a variety of other shapes of glass fragments.

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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