When Mayon volcano’s summit collapsed on May 2, 2026, superheated avalanches of gas, rock, and debris roared roughly 4 kilometers down the Mi-isi gully, one of the volcano’s most active drainage ...

A wall of superheated gas, rock, and ash broke loose from Mayon Volcano’s summit on May 2, 2026, and tore roughly five kilometers down its southeastern slopes in minutes. The pyroclastic flow ...

Avalanches of ash, gas and rock that cascade downhill during volcanic eruptions may be even more dangerous than scientists had realized. Pulses of high pressure form within these slides, known as ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

Krakatau, a volcanic island in Indonesia, killed more than 30,000 people when it erupted in 1883. One might assume that volcanic debris posed the major threat, yet many of the victims died from a ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky. But the defining event of Monday’s eruption was ...

New analyses of mantle xenoliths from French volcanoes reveal that magma degassing, not surface cooling, resets the water contents long used to map the deep Earth.

The explosive eruption that started last week at La Soufriere is only getting worse, sending ash and debris near and far Although it is impossible for volcanologists to get close to the volcano to see ...

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 ...