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

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

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.

An earthquake with a preliminary magnitude of 5.2 hit Southern California on Monday morning. Experts with the Seismological ...