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 ...

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 ...

Pyroclastic density currents (PDCs) represent some of the most formidable and complex volcanic phenomena, characterised by a turbulent mixture of solid particles and gases that surge down slopes at ...

And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the ...

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 ...

People look at a pyroclastic flow during the eruption of Mount Semeru in Lumajang, East Java, on November 19, 2025. - AFP LUMAJANG, Indonesia: Mount Semeru, located on the border of Lumajang and ...

SALEM, Montserrat -- Scientists have learned a lot from the Soufriere Hills volcano in the five years it has been erupting, destroying life and property -- lessons they hope will save lives in the ...

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 ...