The 3.4-magnitude quake occurred at 9:09 p.m. Wednesday, the US Geological Survey reported.
USGS said the quake’s epicenter was located just inside the Sonoma County line, 3.4 miles south-southwest of Cobb, with the depth of the quake recorded at the earth’s surface, the US Geological Survey reported.
The USGS received 19 shake reports from Kelseyville and Middletown in Lake County; Healdsburg, Santa Rosa and Windsor in Sonoma County; Hopland in Mendocino County; and Roseville in Placer County.
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