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 ...

A pyroclastic flow burst from Mount Etna’s summit on 2 June 2025 and raced down the volcano’s western flank while a 6.5-kilometer ash plume climbed above the crater, forcing tourists on the upper ...

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 ...

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 ...

The discovery of the driving force behind the world's deadliest volcanic events could help improve forecasting of their devastating effects, new research suggests. The findings reveal the mechanism ...

Semeru volcano — the tallest volcano on Java at 3,676 meters — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing at high speed more than 8.5 kilometers down its slopes, as ...

Volcanologist reveals exactly what happened at Mount Etna - Mount Etna eruptions are commonly described as ‘Strombolian eruptions’ – though that may not apply to this event ...

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 ...