The eruption of Mount Vesuvius produced such a hot ash cloud that it turned victims' brains into glass, according to a new study. Researchers have unearthed a piece of dark-coloured organic glass ...

The research examines why are they so destructive and how we can learn to accurately predict the hazards of these currents. The opacity and violence of natural flows prevents any direct probing inside ...

Why are the pyroclastic flows on Mount Sinabung so deadly? Plus, a first glimpse inside an asteroid, and the Greenland glacier that's retreating at a record pace. Show more Mount Sinabung, on the ...

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 ...

Supervolcanoes destroy everything in their path through dense flowing rivers of hot ash and gas, not fast-moving sandstorm-style flows, researchers have said. By studying past eruptions at ...

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 ...

TEMPO.CO, Jakarta - The Geological Agency has set the volcanic activity status of Mount Semeru in Lumajang, East Java, to level IV or Warning since Wednesday afternoon, November 19, 2025, at 5:00 PM ...

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THE DEVASTATING eruption of Guatemala’s Fuego volcano has been captured in aerial footage which shows the full destruction of the deadly pyroclastic flow that has wiped out everything in its path. A ...

Guatemala Fuego volcano eruption: What is pyroclastic flow? THE Guatemala volcano eruption has killed at least 25 people after a pyroclastic flow flooded houses. Fuego has left charred bodies strewn ...

Guatemala's Fuego volcano erupted at about noon local time (18:00 GMT) on Sunday. It is one of Central America's most active volcanoes but Sunday's eruption caused more fatalities than any of those ...