The quake was recorded at 7:04 p.m. two miles south southeast of Hercules, eight miles north of Berkeley and 17 miles north northeast of San Francisco, according to the US Geological Survey.
The depth of the quake was 6 miles, US Geological Survey records showed.
The survey reported receiving 3,977 shake reports from 182 zip codes as of 2 a.m. Sunday.
Most of the reports were from around California, although one was from Graham, Wash.
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