A preliminary 4.1 magnitude earthquake struck Wednesday morning just north of Healdsburg in the North Bay, according to the United States Geological Survey.
The quake hit just before 5 a.m., and some North Bay residents reported feeling shaking.
The quake was just over a mile deep at the epicenter, about 3 miles southwest of Cobb and 14 miles northeast of Healdsburg in Sonoma County.
There were no immediate reports of damages or injuries.
No other information was immediately available.
Are you prepared for the next big one?
