Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

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 ...

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 ...