After an eruption, DIY cushions of gas help searing torrents of gas, ash, and rock spread miles from their source within a matter of minutes. ByKatherine J. Wu Monday, April 8, 2019 NOVA NextNOVA Next ...

If you live in the western United States, the chances are very good that you live within the cradle of a supervolcano. Yellowstone is but the most famous example. There are volcanoes, and then there ...

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 ...

On May 2, 2026, a wall of superheated gas and volcanic debris broke loose from Mount Mayon’s summit and tore 4 kilometers down the Mi-isi Gully on the volcano’s southwest flank. It was the longest ...

Dumping literal tons of hot volcanic material down a lab flume may finally have revealed how searing mixtures of hot gas and rock travel so far from volcanic eruptions. These pyroclastic flows can ...

Supervolcanoes capable of unleashing hundreds of times the amount of magma that was expelled during the Mount St. Helens eruption of 1980 are found in populated areas around the world, including the ...

A superheated torrent of gas, rock, and volcanic debris tore 4 kilometers down Mayon volcano’s Mi-isi Gully in early June 2026, marking the longest pyroclastic density current recorded during the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The eruption of the Fuego volcano—or volcano of fire—in Guatemala on ...

Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness through large dynamic pressures of 100–102 kilopascal inside flows that are capable of obliterating ...

SILICIC volcanic rocks (Moat volcanics) of the White Mountain magma series, which crop out in the Moat Mountain and Mount Kearsarge (Pequawket) areas of northern New Hampshire, USA 1,2, are dominantly ...