SAN FRANCISCO (CBS SF) -- California is covered with a spiderweb network of fault lines, many of them relatively unknown, like the spur of the Calaveras ... Tuesday south of Hollister with a ...

BERKELEY (KCBS) – New research from seismologists at University of California, Berkeley shows the Hayward Fault is actually ... extended south to Hollister, where the Calaveras meets the San ...

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 East Bay. It struck at 7:46 p.m. Monday night in Dublin in the hills ...