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.

A rapid-fire barrage of 16 earthquakes slammed Southern California in less than 24 hours, reigniting terrifying fears that ...

A series of small earthquakes rattled the San Francisco Bay Area in an area that’s had a lot of seismic activity in recent ...

Imagining yourself in the shoes of a person experiencing "The Big One" can help us prepare now for a major earthquake, these ...

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 ...

A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.

At least 21 quakes have rattled the East Bay city.

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

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 ...