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A 3.1-magnitude earthquake struck Contra Costa County on Tuesday morning, according to the U.S. Geological Survey.
The temblor hit at 5:53 a.m. about 2.8 miles southeast of San Ramon, or 3.4 miles north of Dublin in Alameda County.
According to the USGS, the quake had a depth of 8 kilometers or nearly 5 miles and occurred along the Calaveras Fault.
Tuesday’s event follows a series of small quakes that rattled the area just last week.
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