M 4.0 - 5 km SE of San Ramon, CA
- Time
- 2025-12-20 03:49:22 UTC
- 2025-12-20 03:49:22 UTC at epicenter
- Location
- 37.749°N 121.938°W
- Depth
- 9.30 km (5.78 mi)
For the rest of this article please go to source link below.
(Source: usgs.gov; December 20, 2025; https://earthquake.usgs.gov/earthquakes/eventpage/nc75283011)