A preliminary 2.7 magnitude earthquake struck near Santa Rosa, according to the United States Geological Survey.

Literal groundbreaking research by Dr. Giorgio Arriga enhances our understanding of the long-term evolution of seismogenic ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Seismic modeling powered by supercomputing is reshaping infrastructure planning, leading to smarter, more resilient designs ...

There were a few reports of weak shaking after a magnitude 2.7 quake occurred Sunday shortly before 8 p.m. in the Pacific ...

Fire- and storm-ravaged Malibu, Calif., endured two relatively minor earthquakes followed by another in Idyllwild Saturday ...

An earthquake with a preliminary magnitude of 3.5, the third above 3.0 in Southern California in the last several hours, ...

It happened just before 6:25 p.m. and was centered near Highland, according to the United States Geological Survey​.

A magnitude-3.5 earthquake was reported Saturday afternoon in the San Jacinto Mountains in Riverside County. The quake at ...

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

Did you feel it? Multiple earthquakes shook the Bay Area Thursday. They were recorded near Hayward, the USGS reported.

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...