USGS: 6.0 EARTHQUAKE SHAKES NORTHERN CALIFORNIA Aug24 by Joseph Saraceno SONOMA, Calif. (AP) — An earthquake with a preliminary magnitude of 6.0 struck California’s northern San Francisco Bay area early Sunday, the U.S. Geological Survey said. MORE Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related