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Mayon Volcano Threatens Major Eruption
In late December 2009, the volcano hazard at Mayon Volcano in the Philippines reached Alert Level 4, which means â€œa hazardous explosive eruption is possible within days.â€
Mayon Volcano exhibited an intense level of unrest in late December, 2009.
Published Dec 30, 2009
A small plume of ash and/or steam is blowing west from the summit of Mayon Volcano in this image from December 15, 2009.
Published Dec 17, 2009
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