The Bay Area region is highly vulnerable to natural hazards. Here are some resources and tips to make it easier to access preparedness information.SANTA ROSA, Calif. (KGO) -- A preliminary 3.4 magnitude earthquake struck near Santa Rosa Thursday morning, according to U.S. Geological Survey.The epicenter was 1.8 miles northwest of Santa Rosa, at a depth of about 6 miles. There are no immediate reports of any damage or injuries.Stay with ABC7 News for the latest details on this developing story. Report a correction or typo