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 4:25:04 AM (PST) on Sunday, December 7, 2025.
The magnitude 1.8 event occurred 7 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, December 7, 2025 at 4:25:04 AM (PST) Sunday, December 7, 2025 at 12:25:04 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) NNW (327 degrees) Cobb, CA - 7 km (4 miles) W (275 degrees) Kelseyville, CA - 17 km (11 miles) SSE (168 degrees) Middletown, CA - 18 km (11 miles) WNW (298 degrees) Cloverdale, CA - 19 km (12 miles) E (83 degrees) |
| Coordinates | 38 deg. 49.6 min. N (38.827N), 122 deg. 47.9 min. W (122.799W) |
| Depth | 1.93 km (1.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=40, Nph=39, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.15 km, Erzz=0.25999999 km, Gp=33 degrees |
| Event ID# | nc75275691 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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