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 1:58:38 PM (PST) on Wednesday, December 10, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Wednesday, December 10, 2025 at 1:58:38 PM (PST) Wednesday, December 10, 2025 at 21:58:38 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NNW (331 degrees) Cobb, CA - 6 km (4 miles) W (275 degrees) Kelseyville, CA - 17 km (11 miles) SSE (166 degrees) Middletown, CA - 17 km (11 miles) WNW (298 degrees) Lower Lake, CA - 18 km (11 miles) WSW (239 degrees) |
| Coordinates | 38 deg. 49.6 min. N (38.826N), 122 deg. 47.5 min. W (122.791W) |
| Depth | 1.39 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=1.3 km, Rmss=0.02 sec, Erho=0.25 km, Erzz=0.449999988 km, Gp=72 degrees |
| Event ID# | nc75278001 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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