Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

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 ...

When volcanoes erupt, pinpointing the regions at high risk for lethal hazards and deciding whether or not to evacuate a resistant population comprise the most difficult problems faced by hazards ...

A volcanic eruption in Italy left people scurrying for cover from what officials are saying is a pyroclastic flow. Several videos circulating online show people running as smoke from the side of Mount ...

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 ...