The US Geological Survey recorded the quake at 8:09 a.m. at a depth of 1.7 miles.
The temblor was centered one mile north northeast of The Geysers steamfields, four miles west southwest of Cobb and six miles west northwest of Anderson Springs.
Residents of Cobb and Middletown reported feeling the earthquake, with reports also coming from as far away as McKinleyville and Paso Robles.
The last earthquake of note reported in Lake County by the US Geological Survey was a 3.0-magnitude quake on April 3, as Lake County News has reported.
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