An early-morning 3.1-magnitude earthquake woke parts of Southern California, the U.S. Geological Survey reported. The about 7 ...

According to a recent studypublished in JGR Solid Earth, nearly half of California’s fault lines—including the infamous San ...

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

Several earthquakes with epicenters beneath the ocean surface rattled the Northern California coastline early Monday. The ...

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...

Fears of a "Big One" came amid a new swarm of earthquakes that hit California's coast on Monday morning (May 26), at the northern tip of the San Andreas Fault. According to USGS, seven tremors hit the ...

A magnitude 3.4 earthquake struck Saturday morning north of The Geysers, with weak shaking reported in parts of Lake and Sonoma counties, according to the U.S. Geological Survey.

SAN FRANCISCO (KGO) -- A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States Geological Survey. The epicenter of the "strong ...

Nearly half of California's faults are overdue for a quake. What does that mean for LA? Find out what the experts are saying ...

The strongest aftershock was a 4.3 magnitude quake that hit near Petrolia, California, at around 12:04 p.m. local time, according to Tim Clements, a research geophysicist at the U.S. Geological ...

California, on Sunday evening, according to the U.S. Geological Survey. There were no immediate reports of damage or injuries from the earthquake. The earthquake occurred just after 8:15 p.m. PT ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the ...