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

A social media video claims to show footage taken as an 8.0 magnitude earthquake hit Oregon’s coast — but on closer ...

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.

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 preliminary 3.2 magnitude earthquake struck Monday morning off the coast of Northern California, according to the United States Geological Survey. The first quake hit at 8:41 a.m. and was ...

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 ...