SAN DIEGO COUNTY, CA - Friday afternoon, a 2.3 magnitude quake was registered close to Borrego Springs, according to the U.S.

FRESNO COUNTY, CA - A preliminary 2.6 magnitude quake was reported near Toms Place Sunday evening, according to the U.S.

Supershear earthquakes, moving faster than seismic waves, could cause catastrophic shaking across California. USC researchers ...

A new study suggests that the 'Big One' earthquake on the West Coast of the United States could actually be two separate earthquakes happening minutes apart ...

Researchers at the Statewide California Earthquake Center at USC Dornsife warn that powerful, fast-moving earthquakes could ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more ...

A new type of seismic threat is gaining attention among geologists—and it could have serious implications for California. Known as “supershear” earthquakes, these rare but devastating quakes travel ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

New research offers the theory that the San Andreas fault and the Cascadia subduction zone could produce devastating ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

Lompoc Unified School District (LUSD) will participate in the Great California ShakeOut Earthquake Drill with scheduled earthquake drills at all schools ...

Watch paragliders take flight at this secluded, picturesque California beach that was at the core of San Francisco's ...