A preliminary 2.9 magnitude earthquake struck near Brentwood Friday afternoon, according to the United States Geological Survey.
The temblor follows a 3.1 magnitude earthquake that struck near Brentwood late Thursday evening.
Watch NBC Bay Area News free wherever you are
WATCH HEREFriday's earthquake was reported at 2:46 p.m.
Further information was not immediately available.
BAY AREA QUAKE CENTRAL
You can take steps to plan and prepare for the next big one. Access our Bay Area Quake Tracker, the latest earthquake stories, extensive quake prep checklists, videos and many other disaster preparedness resources all in one place: NBCBAYAREA.COM/QUAKES
Get a weekly recap of the latest San Francisco Bay Area housing news with the Housing Deconstructed newsletter.
SIGN UP 