A preliminary 4.0-magnitude earthquake was reported near Piedmont Monday morning, according to the U.S. Geological Survey.
The earthquake was reported at 6:49 a.m. and was located 1 mile north of Piedmont and 3 miles southeast of Berkeley, USGS officials said.
The earthquake had a depth of 3.3 miles, according to USGS officials.
BART officials said train service is recovering from 10-minute delays systemwide caused by the earthquake. Trains were stopped while crews inspected the tracks for possible damage.
No damage or injuries have been reported as a result of the quake.
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