The CHP closed all lanes of I-580 in the westbound direction from Grant Line Road to Greenville Road. The CHP also closed the ...

With all the Bay Area faults, Allen said his research shows there's a "two-in-three chance" the Big One could be soon. "We're overdue for a recurrence," Allen said.

The Big One: Is California 'overdue' for a devastating major earthquake? A near-certain disaster looms for California, but there are real things people can do to prepare.

Tsunamis pose a risk to the entire California coast. But should a major one strike, how bad could it be? A single tsunami likely won’t cause the worst-case scenario for every region. But in ...

A magnitude 7.0 earthquake struck near the town of Petrolia in California Thursday at 10:44 a.m. local time, generating a tsunami warning stretching from southern Oregon to San Francisco.