A superheated torrent of gas, rock, and volcanic debris tore 4 kilometers down Mayon volcano’s Mi-isi Gully in early June ...

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 ...

At least 62 people were reported killed when Guatemala’s Volcan de Fuego erupted on Sunday, June 3, sending plumes of rock, gas, and ash over nearby villages, as well as a fast-moving and destructive ...

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 ...

SICILY, Italy – Italy’s Mount Etna volcano violently erupted on Monday, sending plumes of toxic ash and smoke billowing into the sky as people on the mountain ran for safety to escape the danger.

A plume of ash and gas rises from Mount Etna on the Italian island of Sicily on Monday. The eruption also featured lava fountains and a pyroclastic flow. Salvatore Allegra / Anadolu via Getty Images ...

When Guatemala’s Volcán de Fuego erupted in June 2018, it sent a billowing hot cloud of gas, ash and rock careening down the slope of the mountain. In the many smartphone videos of the eruption, the ...

MANILA, Philippines — Since showing increased activity earlier this year, Mayon Volcano generated its "largest" pyroclastic density current so far, with an ash plume reaching up to 1,000 meters on ...