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

A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

A 2.9-magnitude earthquake shook the Bay Area of Northern California, the U.S. Geological Survey reported. The little more ...

The state is confronting what officials say is an unprecedented confluence of forces that will test its long record of ...

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 ...

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

A moderate earthquake measuring 5.2 on the Richter scale struck near San Diego on Monday morning, shaking communities across Southern California and prompting a regional alert from seismic authorities ...

An earthquake with a preliminary magnitude of 5.2 hit Southern California on Monday morning. Experts with the Seismological Laboratory at the California Institute of Technology said the quake was ...

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or damage. But the stronger-than-expected tremor has brought into focus its source ...

A 5.2 magnitude earthquake shook Southern California on Monday, according to the U.S. Geological Survey. The quake was centered in San Diego County but was felt as far north as Los Angeles. No ...