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

A small temblor shook at 3:59 p.m. Thursday less than a mile from South Pasadena, according to the U.S. 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 flurry of earthquakes have rattled California's Death Valley, raising concerns that a bigger more devastating one could be imminent. Since October 9, 130 quakes have struck the National Park, ...

A surge of earthquakes is rippling through California and reaching as far as Las Vegas. Since Oct. 9, Death Valley National Park has seen 130 earthquakes. Elizabeth Cochran, a research ...

With the 35th anniversary of the devastating Loma Prieta Earthquake on October 17, the California Office of Emergency Services (Cal OES) is rolling out measures including a first-in-the-nation ...

A preliminary magnitude 6.0 earthquake struck off the southern coast of Oregon, the U.S. Geological Survey said.

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 ...

According to the United States Geological Survey, a magnitude 3.3 earthquake jolted Lompoc Valley Sunday night.

An earthquake with a preliminary magnitude of 3.2 struck northeast of Windsor on Tuesday evening, the U.S. Geological Survey said.