Seismologists measured 130 earthquakes in Death Valley in October, calling the cluster "a swarm of earthquakes" that rocked ...

A small temblor shook at 3:59 p.m. Thursday less than a mile from South Pasadena, according to the U.S. Geological Survey.

A preliminary 2.9-magnitude earthquake struck near South Pasadena, according to the U.S. Geological Survey. The quake's epicenter was recorded at 1.86 miles southwest from South Pasadena. It is not ...

A preliminary 3.2 magnitude earthquake struck Monday morning off the coast of Northen California, according to the United States Geological Survey.

People in schools and offices across the Bay Area will have a chance to practice their earthquake response Thursday morning as part of the "Great California ShakeOut." Millions of Californians are ...

A mild tremor was felt in northeast Los Angeles and the San Gabriel Valley Thursday afternoon, after a preliminary 2.9 magnitude earthquake struck near Pasadena. The earthquake hit around 4:04 p.m.

A mild tremor was felt in northeast Los Angeles and the San Gabriel Valley Thursday afternoon, after a preliminary 2.9 magnitude earthquake struck near Pasadena. The earthquake hit around 4:04 p.m ...

A 3.3 magnitude earthquake struck in Sonoma County Thursday morning in a region frequented by quakes, according to the United ...

An earthquake with a preliminary magnitude of 6.0 struck the southern coast of Oregon this week, but no tsunami was expected, ...

Earthquake clusters in California often spark fears of The Big One - a hypothetical high-magnitude quake that experts say could strike at any time along the San Andreas fault. Such a quake would ...

A surge of earthquakes is rippling through California and reaching as far ... number of events but does not have a clear mainshock (an earthquake clearly larger than the rest in the sequence ...

The earthquake was centered in Cochrane at a depth of 10 kilometers (about 6.2 miles). The USGS said it received 50 reports ...