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 7:29:12 PM (PST) on Tuesday, December 23, 2025.
The magnitude 1.2 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Tuesday, December 23, 2025 at 7:29:12 PM (PST) Wednesday, December 24, 2025 at 3:29:12 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) NW (319 degrees) Cobb, CA - 7 km (5 miles) W (271 degrees) Kelseyville, CA - 17 km (11 miles) S (171 degrees) Cloverdale, CA - 18 km (11 miles) E (84 degrees) Middletown, CA - 19 km (12 miles) WNW (295 degrees) |
| Coordinates | 38 deg. 49.4 min. N (38.824N), 122 deg. 48.5 min. W (122.808W) |
| Depth | 0.79 km (0.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=0.2 km, Rmss=0.02 sec, Erho=0.3 km, Erzz=1.13999999 km, Gp=81 degrees |
| Event ID# | nc75285496 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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