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

This should have West Coasters shaking in their shoes.

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

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

The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...

The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

At about 11:46 p.m. Sunday, a magnitude 3.2 earthquake struck about 9 miles west-southwest of Johannesburg, according to the ...

While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and ...

A 5.2 magnitude earthquake struck near San Diego on Monday morning, with the epicenter located in Julian, California, according to the U.S. Geological Survey.