A small town in California was hit by earthquakes once every 22 years for over a century, setting the stage for a major seismic experiment in the 1980s and 90s. But the quake ended up being 11 years ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

A series of earthquakes rocked a Bay Area city on Feb. 2. Did you feel it? San Ramon was hit by a cluster of quakes starting ...

Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.

A 4.9-magnitude earthquake and several aftershocks rattled the Inland Empire on Monday night, according to the United States Geological Survey.

Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.

After yet another notably sized earthquake struck near Indio overnight, following two days of seismic activity, renowned seismologist Dr. Lucy Jones says that even more temblors could hit the area due ...

Imagine a scenario where the Pacific Northwest gets pummeled by a magnitude nine earthquake, only to have California's most ...