A 4.1 magnitude earthquake struck early Friday morning off the coast of Northern California, according to the USGS.

California's earthquakes are far more likely to be "overdue" compared with earthquakes in the rest of the world.

In just 72 hours, the San Francisco Bay Area has been rocked by two magnitude 3.7 earthquakes, leaving residents on edge.

Researchers have developed a laboratory earthquake model that connects the real contact area between fault surfaces to the ...

A 3.3-magnitude earthquake shook the San Francisco area in California, the U.S. Geological Survey reported. The 6-mile deep ...

Scientists have built a lab model that visually tracks how microscopic contact points between fault surfaces evolve during ...