Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County ...

A small town in California was hit by earthquakes once every 22 years for over a century, setting the stage for a major ...

Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to ...

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 head to the area ...

On a quiet stretch of central California ranchland, scientists have spent decades trying to turn one of Earth’s most ...

The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one of the lesser-known faults that causes the most damage.

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

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

Decades of research have revealed a complex web of hundreds of active faults beneath Southern California.

PM ​INDIO HILLS, Calif. - A magnitude 4.9 earthquake struck the Coachella Valley late Monday afternoon, rattling nerves from ...

INDIO HILLS, Calif. - A preliminary magnitude 4.6 earthquake struck the Coachella Valley late Monday afternoon, rattling ...

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...