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 2:51:10 AM (PST) on Monday, December 22, 2025.
The magnitude 1.2 event occurred 7 km (4 miles) WNW of The Geysers, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, December 22, 2025 at 2:51:10 AM (PST) Monday, December 22, 2025 at 10:51:10 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) WNW (301 degrees) Cobb, CA - 9 km (5 miles) W (260 degrees) Cloverdale, CA - 17 km (10 miles) E (89 degrees) Kelseyville, CA - 19 km (12 miles) S (176 degrees) Middletown, CA - 19 km (12 miles) WNW (289 degrees) |
| Coordinates | 38 deg. 48.5 min. N (38.808N), 122 deg. 49.4 min. W (122.824W) |
| Depth | 17.32 km (10.80 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=0.5 km, Rmss=0.06 sec, Erho=4.31 km, Erzz=9.15999985 km, Gp=188 degrees |
| Event ID# | nc75284721 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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