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 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 ...

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 ...

There is no current danger to the population after a pyroclastic flow on Italy’s Mount Etna produced a huge plume of ash Monday, sending tourists running. The flow moved away from a group of tourists ...

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 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 ...

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 ...

The Landsat 9 satellite captured the eruption on Mount Semeru Many residents have had to evacuate the area The pyroclastic flows from the eruption turned into "muddy lahars" Indonesia's Mount Semeru ...

One of the leading killers during explosive volcanic eruptions is a family of superheated gas, ash, and debris known as pyroclastic density currents. These tumbling, turbulent paroxysms rush downslope ...