Five earthquakes have rattled California’s Bay Area, putting communities from Gilroy to San Jose on alert and renewing ...

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

The USGS reported that, over the past several days, a sequence of at least five earthquakes shook California, with magnitudes ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

California’s most dangerous faults are not only defined by the headline grabbing magnitude 7 shocks that topple freeways and ...

Tiny, nearly undetectable earthquakes beneath Northern California are offering scientists new insights into the complex ...

Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...

IMPERIAL COUNTY, CA - Thursday morning, a 4.1 magnitude quake was detected close to Holtville, according to the U.S.

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

Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the ...