Scientists monitored the El Chichón volcano's movements and recorded some changes in its crater.

A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic flow - a fast-moving, superheated cloud of dense volcanic gas, ash and ...

Millions of tonnes of ash and rock from an erupting Philippine volcano could bury nearby communities due to heavy rain, authorities said Saturday, as tens of thousands flee over fears of a deadly ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

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 ...

A deadly volcano in Indonesia spewed another searing cloud of ash down its slopes Sunday, prompting panic and chaos among thousands of villagers who had taken advantage of a lull in activity to rush ...

The skies over Mayon Volcano in the Philippines have just been declared off-limits to aircraft — and for good reason. With new lava spines forming at the summit and volcanic unrest continuing, ...