The PHIVOLCS Volcano Alert Level Scheme is a guide to understanding the state of an active volcano, the current threat it poses, and the ways to ensure public safety. An Alert Level represents the ...
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Mayon alert level raised amid unrest
LIGAO CITY—The Philippine Institute of Volcanology and Seismology (Phivolcs) on Thursday raised alert level 2 (moderate level of volcanic unrest) over Mayon Volcano, citing increasing unrest that ...
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