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 0:43:32 AM (PST) on Monday, December 22, 2025.
The magnitude 1.5 event occurred 6 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km (0.30 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Monday, December 22, 2025 at 0:43:32 AM (PST) Monday, December 22, 2025 at 8:43:32 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NNW (330 degrees) Cobb, CA - 6 km (4 miles) W (270 degrees) Middletown, CA - 17 km (11 miles) WNW (297 degrees) Kelseyville, CA - 18 km (11 miles) SSE (166 degrees) Lower Lake, CA - 18 km (11 miles) WSW (238 degrees) |
| Coordinates | 38 deg. 49.3 min. N (38.822N), 122 deg. 47.4 min. W (122.789W) |
| Depth | 0.51 km (0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=1.2 km, Rmss=0.04 sec, Erho=0.17 km, Erzz=0.289999992 km, Gp=35 degrees |
| Event ID# | nc75284646 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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