The earthquake was centered in Borrego Springs at a depth of 9.8 kilometers (about six miles). The USGS said it received 257 ...

An earthquake with a magnitude of 3.5 was recorded near Borrego Springs Thursday morning, the U.S. Geological Survey reported.

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

When the eastern span of the Bay Bridge was deemed seismically unsafe after the Loma Prieta earthquake in 1989 ... history of the bridge and the works be publicly displayed within California. That the ...

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.

The Lompoc earthquake was reported several hours before another 3.6-magnitude earthquake in the same city, according to the ...

A magnitude-3.3 earthquake was reported near Anza in Riverside County on Monday at 3:20 a.m., according to the U.S. Geological Survey. It was centered 16.5 miles southwest of La Quinta and 17.4 ...

Measure PL, the $195 million Pasadena Central Library Earthquake Retrofit, Repair, Upgrade measure, received 73.02% of votes in favor, with 26.98% opposed. However, with outstanding ballots yet to be ...