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. Pyroclastic flows contain a deadly combination of hot rock ...

On Sunday, Guatemala's Volcán de Fuego -- "Volcano of Fire" -- erupted violently, spewing ash nearly four miles into the air and burying villages under an avalanche-like phenomenon called a ...

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 ...

Guatemala’s Volcan de Fuego — Volcano of Fire — erupted spectacularly Sunday, shooting a plume of ash and gas nearly 6 miles into the sky and spreading ash and debris across towns and farms more than ...

Recent photographs and video from the devastating eruption of Fuego volcano in Guatemala show people stood watching and filming hot, cloud-like flows of gas, ash and volcanic material (known as ...

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 ...

Rocky debris and superheated steam that erupts out of volcanoes can travel over land at around 200 kilometres per hour. A study shows that these pyroclastic flows are so speedy because the rubble ...

Imagine a 1,300-degree avalanche of rocks, gas, ash and debris roaring toward you at speeds of up to 50 mph. That's exactly what happened to dozens of Guatemalans on Sunday, when the nation's infamous ...

On May 2, a collapsing lava front on Mayon Volcano sent a superheated torrent of gas, ash, and rock 5.08 kilometers down its southeastern slopes, the longest pyroclastic flow recorded since the ...

Guatemala’s Volcan de Fuego — Volcano of Fire — erupted spectacularly Sunday, shooting a plume of ash and gas nearly six miles into the sky and spreading ash and debris across towns and farms more ...