Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

On July 21, 1952, a magnitude 7.5 earthquake in Kern County was strongly felt in the Valley, shaking residents ...

School principal Yoshiro Tobo is one of the few people left on his remote Japanese island, where the earth is constantly shaking from earthquakes, having chosen to stay behind while his family ...

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington.

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier but say there is no indication that the cluster of quakes is cause f… ...

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington. But they say there is no indication the cluster of quakes is cause for concern. The U ...

Mount Rainier is rattled by more than 300 earthquakes. It's the largest swarm in years. The last large earthquake swarm at Mount Rainier occurred in 2009. During that time, more than 1,000 ...

The Concord Fault, which runs through Bay Area neighborhoods in Concord and Walnut Creek is in a different location than previously understood. It could produce a major earthquake in the Bay Area.