Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 10:48:05 PM (PST) on Saturday, December 6, 2025.
The magnitude 1.4 event occurred 8 km (5 miles) WSW of Cotati, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Saturday, December 6, 2025 at 10:48:05 PM (PST) Sunday, December 7, 2025 at 6:48:05 (UTC) |
| Distance from |
Cotati, CA - 8 km (5 miles) WSW (250 degrees) Rohnert Park, CA - 9 km (5 miles) WSW (242 degrees) Sebastopol, CA - 11 km (7 miles) SSE (165 degrees) Penngrove, CA - 11 km (7 miles) W (272 degrees) Roseland, CA - 14 km (9 miles) SSW (202 degrees) |
| Coordinates | 38 deg. 18.2 min. N (38.303N), 122 deg. 47.4 min. W (122.790W) |
| Depth | 4.91 km (3.10 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=53.0 km, Rmss=0.17 sec, Erho=6.04 km, Erzz=13.1499996 km, Gp=195 degrees |
| Event ID# | nc75275586 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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