BLACKHAWK (CBS SF) — An earthquake with a preliminary magnitude of 2.5 struck an area near the unincorporated community of Blackhawk in Contra Costa County Sunday afternoon, according to the U.S. Geological Survey.

The quake was reported at 3:27 p.m. and struck about 6 miles east of Blackhawk and roughly 7 miles south-southwest of Brentwood, according to the USGS.

READ MORE: Rain Showers Trigger Power Outages Across The Bay Area

The temblor had a depth of about 10 miles, the USGS is reporting.

READ MORE: Dozens of Dogs, Cats Removed From Danville Home

KPIX Earthquake Page

MORE NEWS: Oakland Church Group Hosts Party to Preach Anti-Violence by Practicing Community

© Copyright 2014 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.