A preliminary 3.2 magnitude earthquake struck near the Geysers on Saturday, according to the United States Geological Survey.

The largest of the bunch, a 3.7 magnitude earthquake, struck shortly before 2 p.m. just east of Hayward, sending a short but strong shockwave through much of the Bay Area. It followed two other small ...

Update, Thursday, Oct. 19: A notification for today’s regularly scheduled earthquake drill at 10:19 a.m. went off at 3:19 a.m. instead, NBC Bay Area reported and the USGS confirmed on X/Twitter.