A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...

A wall of superheated gas, rock, and ash broke loose from Mayon Volcano’s summit on May 2, 2026, and tore roughly five ...

On May 2, a collapsing lava front on Mayon Volcano sent a superheated torrent of gas, ash, and rock 5.08 kilometers down its ...