Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...
Philstar.com on MSN
Lava, pyroclastic flows detected at Mayon Volcano
MANILA, Philippines — State volcanologists yesterday detected a collapse of lava deposits on the summit crater of Mayon ...
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