From Napa to Santa Cruz, many Bay Area residents say they felt the big jolt of a 3.9 earthquake on the Calaveras fault in the ...

HOLLISTER – A magnitude 3.1 earthquake rattled the Hollister area Thursday night, according to the U.S. Geological Survey.

Earthquakes are measured using the Richter scale, which quantifies the energy released during these tectonic movements. A magnitude of 3.0, while noticeable and potentially alarming, is generally ...

Sponsored The quakes’ epicenters surrounded the Hayward fault, which spans from San Pablo Bay in the north to Fremont in the south. It runs under the cities of Berkeley, Oakland and Hayward before ...

Meteorologist Sandhya Patel says the epicenter of the quake was likely near the Calaveras Fault. The quake was downgraded from a 4.2 then revised to a 4.0. So far, there are no reports of injuries ...

These struck along the Calaveras Fault, which is a branch of the San Andreas Fault system, and has been the site of moderate and large earthquakes. The last major earthquakes on the San ...