Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

Volcanoes often look deceptively quiet until the moment they unleash towering plumes of ash and gas, yet the precise switch that turns a gentle rumble into a devastating blast has remained stubbornly ...

UNIVERSITY PARK, Pa. — For people living near volcanoes, danger goes well beyond lava flows and clouds of ash. Some explosive eruptions can lead to dramatic collapses of the sides of a volcano, like ...

A massive stratovolcano in the Philippines has erupted Monday, spewing out a smoke column 10,000 feet high, after a raft of volcanic earthquakes. People living within 3.7 miles of Kanlaon volcano, ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also collapse sideways, with their sides, or flanks, collapsing. Such a collapse ...