One of the most active volcanoes in the world is living up to its reputation as it gears up for another eruption. An eruption at Hawaii's Kilauea volcano is imminent, based on current activity, ...

A "swarm" of earthquakes began at Mount Rainier in Washington in the early morning hours on Tuesday with hundreds of quakes detected so far, making it the largest such event at the volcano since 2009.

ANCHORAGE, Alaska (AP) — Officials lowered the alert level for a volcano near Alaska’s largest city to normal Wednesday, which they said indicates that Mount Spurr is “quiet” months after showing ...