Earthquake Rattles Contra Costa Overnight Latest In Series Of Quakes Around Bay Area: Did You Feel It?

CONTRA COSTA, CA — An earthquake in the East Bay that shook residents early this morning is the most recent in a series of tremblers rattling residents along the coast and inland since Wednesday.

A preliminary magnitude 2.5 earthquake struck near Concord at 1:23 a.m. today, according to the U.S. Geological Survey.

The epicenter lay roughly 1 mile west-northwest of Concord, and the quake originated about nine miles underground.

Multiple other earthquakes measuring magnitude 2.5 or higher struck Northern California this morning, Halloween, and last week.

A magnitude 2.6 quake shook Berkeley on Sunday. The trembler happened at about 6:23 p.m. with an epicenter located about a mile from the U.C. Berkeley campus, according to the USGS.

The quake originated about 6.2 miles underground.

A magnitude 2.5 earthquake followed at 7:27 p.m. Sunday, about 5.6 miles east of Gilroy. That quake originated about 3.5 miles underground.

The largest quake, measuring magnitude 2.9, struck west-southwest of Westley on Saturday.

Earlier in the week, a magnitude 2.7 quake struck northeast of Pacifica.

The USGS asks everyone who felt the quakes to share their experiences through its Did You Feel It? platform.