John Yoo, a former clerk for conservative Supreme Court Justice Clarence Thomas and the former deputy assistant attorney ...

Several earthquakes have been reported in Petrolia in recent weeks, most notably a 7.0-magnitude earthquake on December 5, ...

California officials and UC Berkeley Seismology Lab announce first-in-the-nation laptop, tablet downloads for the earthquake ...

California's free earthquake early warning app, MyShake, is now available for Mac computers and Chromebooks — a major ...

Just weeks after two major earthquakes shook California, one of them prompting a rare tsunami warning for the coast, state ...

The "MyShake" earthquake alert app warns users of major earthquakes seconds before they hit and transforms devices into tools ...

A preliminary 3.6 magnitude earthquake struck Wednesday morning off the Northern California coast, according to the United ...

In the wake of two significant earthquakes that recently shook California, the California Governor's Office of Emergency ...

A magnitude 2.8 earthquake jolted the Los Angeles area Monday morning, sending weak shaking from its epicenter in Alhambra.

An earthquake with a preliminary magnitude of 5.3 struck in the Pacific Ocean about 45 miles west-northwest of Petrolia, at ...

Getty Images/iStockphoto A late-night 5.2-magnitude earthquake shook the Pacific Ocean off the Northern California coastline, ...

The quakes come a week after a magnitude 7.0 earthquake hit off the coast of California with shaking felt for miles.