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

A 3.6-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 10-mile deep quake hit about 6 miles southwest from Idyllwild in Riverside County shortly ...

The Kamchatka Peninsula earthquake may not have brought the same devastation as previous shocks, but a far more deadly seismic event is looming for the US West Coast.

A preliminary magnitude 3.6 earthquake was recorded about six miles southwest of Idyllwild, according to USGS.

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.

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

A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did ...

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit about 3 miles northwest of Rialto, and at 8:42 a.m., a 2.8magnitude earthquake ...

When earthquakes happen, California's MyShake app detects it and sends an alert to users. It's the nation's first statewide earthquake early warning system.