Hoping to make the system clearer to the public and emergency officials, the U.S. Geological Society has revamped its nationwide volcano warning level system. Starting Sunday there will be four ...

Imagine waking up one morning to news that a massive volcanic eruption has shaken a remote region with absolutely no advance notice. This isn't science fiction. It's happening right now around the ...

ORLANDO, Fla. – Mount Etna—Europe’s most active volcano—put on another dramatic show recently, spewing ash and lava that grounded flights and reminded us just how unpredictable volcanoes can be. But ...

An ice-clad behemoth among Alaska’s Aleutian Range mountains is sharing secrets about what makes some volcanoes tick — namely, ones that show little sign of erupting before they blow. In a study ...

Scientists warn that hidden volcanoes, including Toba, Taupo, Hayli Gubbi, and Cerro Blanco, may trigger the next global ...