California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Seismologists are monitoring California's fault lines for the 'Big One,' a major earthquake that could cause widespread ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

The epicenter for all the quakes was about one mile east of Hayward, in San Francisco's East Bay, according to the U.S.

California was rocked by a third earthquake in less than six hours, this one a moderately weak 2.7-magnitude seismic event.

From the desert to the sea to all of Southern California, the ground keeps shaking in the Golden State, this time in Barstow.

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

Award-winning seismologist and prolific researcher departs Texas after 22 years, during which he carried out pioneering work ...

The ground keeps shaking in Southern California as the coastal city of Malibu was struck by two earthquakes on Valentine's ...

At countless grocery stores across L.A., collections of ephemera scattered in the corners and on the walls offer something ...

The Salton Sea occupies a much smaller footprint of what used to be Lake Cahuilla, which disappeared in the late 1500s. Then, in a wild spring runoff in 1905, the Colorado River blew out a ...