Overview
- USGS logged a magnitude 2.9 at 2:33 a.m., a 3.0 at 5:21 a.m., a 2.7 at 5:37 a.m., and a 2.5 at 7:24 a.m. near San Ramon.
- Epicenters were located roughly two to 2.5 miles east to southeast of the city, according to USGS data.
- Shaking was reported largely across the Tri-Valley, with the magnitude 3.0 felt as far as Oakland and San Jose.
- There were no immediate reports of injuries or damage from the earthquakes.
- A separate report cited a magnitude 2.1 at 2:11 a.m. from an early USGS entry, as the area experiences a weeks-long pattern of small quakes.