Did you feel it? A preliminary magnitude 3.0 earthquake struck near Dublin Tuesday afternoon, according to the U.S.

However, the USGS deleted the alert from its live map about two hours later and told ... which is one of the most significant and active fault lines in California. There are heightened concerns about ...

DUBLIN, Calif. (KGO) -- 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 ...