Overview
- A magnitude 3.1 earthquake struck about 2 miles southeast of San Ramon at 5:53 a.m. Tuesday, according to the USGS.
- Residents reported feeling the shaking across the Tri-Valley, with reports reaching Alameda, Berkeley and Half Moon Bay.
- Authorities received no reports of injuries or damage following the latest event.
- Since Nov. 17, the USGS has recorded at least 17 earthquakes of magnitude 2.5 or greater in the San Ramon area.
- The strongest recent quake was a magnitude 3.6 on Dec. 8, consistent with the region’s history of Calaveras Fault swarms.