3.0 Earthquake Shakes Contra Costa County
CONCORD (BCN) - A 3.0-magnitude earthquake rattled residents in Contra Costa County Monday morning, the U.S. Geological Survey reported.
The quake was reported at 12:31 a.m. and was centered three miles northwest of Concord and four miles east-southeast of Martinez.
The temblor's depth was recorded at 9.6 miles, the USGS said.
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