A 3.0 magnitude earthquake struck between Ridgecrest and California City Thursday afternoon, according to the USGS.The tremor was reported around 3:55 p.m., nor ...

Google’s Android Earthquake Alerts program is a globe-spanning earthquake early-warning system that uses billions of phone ...

A mother and her son who got lost in a dense California​ forest left handwritten notes, which helped searchers find them.

Iceland’s volcanic unrest intensified overnight as new fissures opened on the Reykjanes Peninsula, sending lava eastward and prompting fresh hazard warnings from officials. The eruption, centered ...

A major California fault once thought to be stable is quietly shifting beneath neighborhoods, schools, and it could lead to a ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

While it has been known for decades that the northern half of the Concord fault is steadily creeping, in an area covering ...

The Concord Fault, which runs through Bay Area neighborhoods in Concord and Walnut Creek is in a different location than previously understood. It could produce a major earthquake in the Bay Area.

A 3.1-magnitude quake hit Banning, California, rattling parts of Riverside County. Learn what to do during and after an earthquake to stay safe.

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California's heavily populated coastal communities.

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

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