Tiny quake swarm in San Ramon Valley

The USGS reported that the first quake hit at 9:08 p.m. Saturday, measuring magnitude 1.6, and occuring about 3 miles south of San Ramon.

Officials eye explosion at Crockett fuel site after quake

Officials were trying to determine Wednesday if a 4.5 magnitude earthquake triggered an explosion at a fuel storage facility in the San Francisco Bay Area that started a fire and kept thousands of people in their homes for hours because of potentially unhealthy air.

Magnitude 4.7 earthquake strikes near Hollister

A preliminary magnitude 4.7 earthquake struck near Hollister Tuesday afternoon, about 48 miles from Santa Cruz, according to the US Geological Survey. It was downgraded from a magnitude of 4.8.

7 steps for earthquake preparedness

As the Bay Area marks 30 years since the Loma Prieta earthquake, state emergency officials are encouraging people to be prepared for the next big one.