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 seismic experiment in the 1980s and 90s. But the quake ended up being 11 years ...

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

Another earthquake with a magnitude above 4.0 struck along the Riverside–San Bernardino County line overnight. Wednesday’s ...

On a quiet stretch of central California ranchland, scientists have spent decades trying to turn one of Earth’s most dangerous forces into something almost predictable. Parkfield, perched on the San ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

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

The earthquake occurred just before 6 p.m. local time and was felt across parts of the Coachella Valley and surrounding areas ...

More than 70 percent of Californians live within 30 miles of a major fault.

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

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.