According to the U.S. Geological Survey, an earthquake with a preliminary magnitude of 2.0 struck at 5:40 AM in Sonoma County.
The quake was centered 2 miles north of The Geysers and 11 miles east-northeast of Cloverdale, according to the USGS, and had a depth of 1.4 miles.
The second area quake struck Contra Costa County at 6:15 AM, with a preliminary magnitude of 2.0, according to the USGS.
The quake, which had a depth of 4.4 miles, was centered 1 mile north-northeast of Danville and 10 miles south-southeast of Concord, according to the USGS.
Bay City News contributed significantly to this report