Add Yahoo as a preferred source to see more of our stories on Google. On June 2, at around 11:20 a.m. local time, a giant, superhot avalanche of ash, known as a pyroclastic flow, suddenly exploded ...

A column of ash from the eruption of Mount Semeru on Tuesday evening, April 7, 2026, reached a height of two kilometers above the peak.

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 Yellowstone supervolcano Yellowstone supervolcano, which lies underneath a 30–by–45–mile crater Yellowstone Caldera, has ...

MILAN, Italy — Mt. Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke high into the sky. But the defining event of Monday’s ...

JAKARTA: Indonesia's Mount Semeru located on the border of Lumajang and Malang regencies in East Java, erupted multiple times ...

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 ...

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 ...

Mount Semeru in East Java erupted Tuesday morning, sending pyroclastic flows up to 3 kilometers. "An eruption occurred at ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.But the defining event of Monday’s eruption was the ...