Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey.

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

A powerful earthquake off Russia’s east coast triggered tsunami waves across the Pacific, prompting alerts in Hawaii and California.

Southern Washington, northern Oregon, and northern California are the regions which are most vulnerable to flooding from a ...

A 15% chance of a mega-quake in the next 50 years has sparked fresh calls for stronger warning systems and evacuation plans ...

The mega tsunami could wash away major cities like Seattle and Portand in minutes, while great swathes of US costal land ...

Cal OES officials hope people will take the risk seriously and download the MyShake app, which provides an early warning of an earthquake -- crucial seconds that can save lives and prevent injuries.

“Residents and visitors who evacuated may return home at this time. Please use caution and patience as traffic will likely ...

Tsunami alerts blanketed the West Coast and Alaska after one of the strongest earthquakes in recorded history.

Two million people are told to evacuate in Japan after an 8.8 magnitude earthquake, one of the strongest ever, hits Russia's ...