The Bay Area fault system and the spot (red star) where the Hayward Fault branches off from the Calaveras Fault. The white lines indicate faults recognized by the USGS. The red line is the newly ...

An earthquake with a preliminary magnitude reading of 3.0 was felt in the Bay Area. The epicenter was Dublin, in the East Bay, according to the United States Geological Survey Shake Map. The Calaveras ...