Thousands of years ago, at different points in time, clouds of ash, rock and hot gas rushed across the Mojave and Sonoran deserts as two volcanoes erupted. These destructive events are long over. But ...

A large pyroclastic flow races down Mayon Volcano, sending ash sweeping across the slopes. The fast-moving surge shows why ...

New Zealand research could help track the path of searingly hot rock and gas flows that are the world's most deadly volcanic hazard. Te Whare Wānanga o Waitaha | University of Canterbury School of ...

Guatemala's Volcán de Fuego has erupted into its most explosive mode of 2026, sending pyroclastic flows — fast-moving avalanches of superheated gas, ash, and rock capable of traveling up to 435 mph ...

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 ...

BUFFALO, N.Y. — Thousands of years ago, at different points in time, clouds of ash, rock and hot gas rushed across the Mojave and Sonoran deserts as two volcanoes erupted. These destructive events are ...