Countless seismic faults just as dangerous as the one that triggered Monday's San Simeon earthquake are suspected to be lurking throughout the Bay Area. Scientists have known about some of these ...

A new study shines a light on a system of earthquake faults in the San Francisco Bay Area that most residents don’t even know exists. The Foothill Thrust Belt faults are deep under Silicon Valley, and ...

LA HABRA (CBS/AP) — Experts say a bigger earthquake along the lesser-known fault that gave Southern California a moderate shake could do more damage to the region than the long-dreaded "Big One" from ...

As PG&E’s aging Diablo Canyon nuclear power plant is up for a 20-year federal license renewal, one scientist cites new GPS data to suggest there’s a looming seismic threat from an active thrust fault ...

Southern California was recently rattled by several small earthquakes. They produced minor shaking but nonetheless left psychological aftershocks in a region whose seismic vulnerabilities are matched ...

It is a common trope in disaster movies: an earthquake strikes, causing the ground to rip open and swallow people and cars whole. The gaping earth might make for cinematic drama, but earthquake ...

In Japan and areas like the Pacific Northwest where megathrust earthquakes are common, scientists may be able to better forecast large quakes based on periodic increases and decreases in the rate of ...

Massive earthquake along Puente Hills thrust fault in Southern California could cause more damage than the predicted 'Big One' from the San Andreas Fault. Experts say a larger earthquake than the ...

This week's Friday Field Foto is a close-up view of the Keystone Thrust in southern Nevada. The key criterion for correctly recognizing a thrust fault is to demonstrate that there are older rocks on ...