3 Earthquakes in Contra Costa County Sunday

Three earthquakes struck Contra Costa County within the span of 15 minutes this afternoon, according to the U.S. Geological Survey.

Did you feel them? Report when and where to the USGS.

The first earthquake was recorded at 3:01 p.m. and had a preliminary magnitude of 2.5 with a depth of 8 miles, USGS officials said.

The quake was in an area 1 mile south of Concord, 2 miles northeast of Pleasant Hill and 4 miles north-northeast of Walnut Creek, USGS officials said.

A second temblor with a preliminary magnitude of 4.0 and a depth of 9 miles was recorded soon after at 3:13 p.m. in the same area as the first earthquake, according to the USGS.

The third quake occurred a minute later with a preliminary magnitude of 2.7 and a depth of 8.1 miles in the same region, USGS officials said.

--Bay City News with additional reporting by Patch; Image Patch Archive

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