Lava effusion with collapse-fed pyroclastic flow observed anew at Mayon Volcano

A lava-related collapse generated a pyroclastic density current (PDC) or “uson” at Mayon Volcano’s southwestern slopes on Wednesday morning, May 13, according to the Philippine Institute of Volcanology and Seismology (Phivolcs). (Video courtesy of PHIVOLCS-DOST | FB)

READ: https://mb.com.ph/2026/05/13/lava-effusion-with-collapse-fed-pyroclastic-flow-observed-anew-at-mayon-volcano

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