The Bay Area region is highly vulnerable to natural hazards. Here are some resources and tips to make it easier to access preparedness information.SAN RAMON, Calif. (KGO) -- A preliminary 3.2 magnitude earthquake struck near San Ramon Saturday afternoon, according to U.S. Geological Survey.The epicenter was 6 kilometers south of San Ramon, at a depth of 7.5 kilometers.[Ads /]There are no immediate reports of any damage or injuries.[Ads /]Stay with ABC7 News for the latest details on this developing story. Report a correction or typo