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 ...

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 ...

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 ...

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 ...

After a 19-day lull, Etna began to erupt with lively explosive bursts of gas and ash followed by a mild lava flow on the eastern slope followed by a smaller flow to the south. At around 10 a.m. on ...

Mayon Volcano is showing serious signs of unrest again. State volcanologists have raised Alert Level 3 after dangerous pyroclastic density currents—locally called “uson”—were recorded in Albay. 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 ...

ROME -- A giant explosion from an Italian volcano sent locals and tourists running for cover on Wednesday. Stromboli, a volcano located on a small island off the coast of Sicily, erupted, sending a ...

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 ...

MILAN (AP) — Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and ash high into the sky. But the defining event of ...