M 3.9 - 5 km SE of San Ramon, CA
PAGER - GREEN ShakeMap - IV DYFI? - V
- Time
- 2025-12-21 02:31:54 UTC
- 2025-12-21 02:31:54 UTC at epicenter
- Location
- 37.750°N 121.939°W
- Depth
- 9.60 km (5.97 mi)
For the rest of this article please go to source link below.
(Source: usgs.gov; December 21, 2025; https://earthquake.usgs.gov/earthquakes/eventpage/nc75283691)