Satellite photos have captured a glowing "river of fire" flowing down the flanks of Mount Etna during an explosive outburst that also unleashed a giant plume of ash, smoke and volcanic gases high ...

The most explosive volcanic eruptions spit out a fast-moving and incredibly destructive mass of material known as a pyroclastic flow.

TEMPO.CO, Jakarta - The head of Indonesia’s Geological Agency, Muhammad Wafid, has warned that deposits from Mount Semeru’s recent pyroclastic flows could trigger secondary disasters if not properly ...

Professor David Rothery, Professor of Planetary Geosciences at The Open University, was first keen to clear up a misconception. He said: “The cause of most deaths at the current eruption of Fuego ...

JAKARTA, June 19 (Bernama) -- Mount Merapi, an active volcano in Central Java and Yogyakarta, has recently emitted lava and pyroclastic flows that reached distances of up to 1.5 kilometres from its ...

GUATEMALA’S Fuego volcano erupted to deadly effect on Sunday and the “very, very fast moving” mixture of hot gas and rock means startled locals stuck in the path on the pyroclastic flow “cannot outrun ...

When a supervolcano erupts, it spews rivers of hot ash and gas across immense distances, in some cases travelling more than 100 miles in slow, dense currents. This is according to a new study, which ...

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 ...

First off, a big thank you to James Reynolds who took questions from my Volcanoes class here at Denison today. It was a great chat with the students! Now, we have news from the volcanic front, some of ...

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 ...

The Mayon volcano eruption has unleashed stunning lava fountains and ash plumes, prompting PHIVOLCS alert level 4 due to hazards. Cauliform ash plume reaching thousands of meters over Mayon in the ...