A 3.5 earthquake occurred six miles southeast of Gilroy at 9:10 a.m. today. The quake struck on the Calaveras Fault.
Here's the USGS page on the quake. The agency's "Did You Feel It" page currently shows 155 responses from 15 zip codes, from as far north as Sunnvale and as far south as Hollister.
A 3.2 aftershock of the South Napa quake hit Napa Valley on Sunday.
And here's a list of all the recent quakes in the Bay Area.