LEGAZPI CITY — The Philippine Institute of Volcanology and Seismology (Phivolcs) on Friday raised Mayon Volcano’s alert status from Level 2 to Level 3 following a moderately explosive eruption that sent an ash plume 3,000 meters above its summit. The eruption occurred at 11:53 a.m. on Oct. 30, producing a dense, rapidly rising ash column
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