December 23, 2009

Whole lotta shaking goin' on - Mt. Mayon

Philippine volcano Mt. Mayon is about to blow. From the Philippine Institute of Volcanology and Seismology:
Mayon Volcano Bulletin 10
23 December 2009 - 7:00 AM

Mayon Volcano (13.2576 N, 123.6856 E) continued to show an intense level of activity during the past 24-hour observation period. Seismic activity remained elevated in number and size as the seismic network detected 1,051 volcanic earthquakes and continuously recorded harmonic tremors. Many of these volcanic earthquakes were recorded at maximum deflection. Sixty six (66) ash explosions were observed during times of good visibility. These explosions produced grayish to light brown ash columns that reached height from 100 to 1000 meters above the summit before drifting towards southwest.

Sulfur Dioxide (SO2) emission rate remained very high and was measured at an average of 6,737 tons per day (t/d) yesterday. Two hundred eighty (280) audible booming and rumbling sounds were intermittently heard for the past 24 hours. Red hot lava also continuously flowed down along the Bonga-Buyuan, Miisi and Lidong gullies.
There had been talk of pyroclastic flow at some time -- hope the people in the villages evacuate as this could be a biggie... Posted by DaveH at December 23, 2009 8:12 PM | TrackBack
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