Data shows parts of the state may be overdue for a major earthquake. But here's the catch: We can't predict exactly when or where it will happen. Moses Small breaks down how it all works.

A 3.7 magnitude earthquake rattled parts of the North Bay Friday, with its epicenter at The Geysers in Lake County, according ...

The United States Geological Survey reports a preliminary magnitude 3.7 earthquake struck near The Geysers, CA on Saturday.

A new study is fueling speculation and fear about the risks of a major earthquake in the Cascadia subduction zone, including ...

The Cascadia subduction zone could pose a major threat to the West Coast if a high magnitude earthquake were to occur, ...

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more ...

Scientists are sounding the alarm on a 'sleeping giant' off the coast of California, warning it could sink land in several states in just minutes.

Scientists say the size of earthquake faults may have been previously underestimated, extending potentially dangerous ...

Seismologist Deborah Kilb was wading through California earthquake ... of geological sciences at the University of Colorado Boulder. Schulte-Pelkum was already studying the Sierra Nevada's ...