BLACKHAWK (CBS SF) — A 3.0-magnitude earthquake struck an area near Blackhawk in Contra Costa County Sunday night, according to the U.S. Geological Survey.
The temblor occurred at 1:32 a.m. about 4 miles east-northeast of San Ramon and 5 miles east-southeast of Danville.
The earthquake had a depth of about 7.6 miles, according to the USGS.
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