The Yellowstone Caldera, spanning Wyoming, Idaho, and Montana, is among the most seismically active volcanic regions on Earth ...

Yellowstone, a popular tourist destination and namesake of an equally popular TV show, was the first-ever national park in ...

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of powerful quakes within the last five years ...

A recent earthquake in Summerville is putting renewed focus on one state lawmaker’s push to require greater transparency from insurance companies when it ...

The quake that struck Alaska’s southern coast on Wednesday, July 16 is part of a larger sequence that may continue to unfold ...

Google’s Android Earthquake Alerts program is a globe-spanning earthquake early-warning system that uses billions of phone ...

Thousands of Americans along Alaska 's coastline raced to higher ground on Wednesday, abandoning their homes after a major ...

The Senate voted early Thursday to claw back $9 billion in federal funding for global aid programs and the Corporation for ...

Just after the quake, NOAA's National Tsunami Warning Center issued Tsunami Warnings for the immediate Alaska coastline from ...