CALIPATRIA– A 4.3-magnitude earthquake struck near the Salton Sea early Friday morning, jolting residents and triggering a series of smaller quakes in the seismically active region. The temblor, cente ...

A 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey reported. Then dozens of smaller quakes followed. The 6.5-mile-deep quake hit ...

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

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

Unlike other earthquake-prone places around the planet, California is overdue for a major quake, according to a recent study. But that doesn’t mean a catastrophic event like the 1906 San ...

A worldwide Android smartphone-based earthquake detection and early warning system can detect seismic activity in real time.

A lightly populated stretch of Alaska’s southern coast was under a tsunami warning after the magnitude 7.3 quake was felt ...

A 7.3 magnitude earthquake struck near Sand Point, Alaska, on Wednesday, prompting a tsunami warning from the National Weather Service.