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 ...

Mayon volcano unleashed its most powerful pyroclastic flow of the current eruption in late May 2026, sending a 4-kilometer torrent of superheated gas and rock fragments racing down its southeastern ...

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 ...

At least 330 people were evacuated on Thursday in Guatemala following an eruption of the Fuego volcano, located 35 km from the capital, according to the civil protection agency, which declared an ...

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 ...