4.0 magnitude earthquake shakes the Bay Area

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.