The Bay Area region is highly vulnerable to natural hazards. Here are some resources and tips to make it easier to access preparedness information.CLOVERDALE, Calif. (KGO) -- A preliminary 3.4 magnitude earthquake struck Sonoma County on Friday, according to the U.S. Geological Survey.The quake happened at around 12.54p.m. southeast of Hopland north of Cloverdale.[Ads /]At this time, there are no reports of damage or injuries.[Ads /]Prepare NorCal: Disaster Preparedness Resources Report a correction or typo