California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

Most people think California when they hear "earthquake," and honestly, they're not wrong. But here's the thing: seismic danger zones span far beyond the West Coast.Scientists have been tracking fault ...

Percolating downwards, the extra water eventually found its way into a major fault zone that slices through the 12km-long ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

Around 90 small earthquakes have struck near San Ramon in the East Bay this month. It’s at least the sixth time a series of tiny quakes has lit up that area since 1970, including the most recent swarm ...

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...