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Pyroclastic flow ongoing at Mayon Volcano — PHIVOLCS

An ongoing pyroclastic density current (PDC) event, locally known as uson, was recorded at Mayon Volcano on Sunday afternoon, ...
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Mayon’s pyroclastic flow raced 4 kilometers down the Mi-isi gully as ash plumes hit 600 meters above the crater

A superheated torrent of gas, rock, and volcanic debris tore 4 kilometers down Mayon volcano’s Mi-isi Gully in early June 2026, marking the longest pyroclastic density current recorded during the ...