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 10:06:21 PM (PST) on Saturday, December 27, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Saturday, December 27, 2025 at 10:06:21 PM (PST) Sunday, December 28, 2025 at 6:06:21 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NNW (333 degrees) Cobb, CA - 5 km (3 miles) WSW (237 degrees) Middletown, CA - 14 km (9 miles) WNW (291 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (267 degrees) Lower Lake, CA - 19 km (12 miles) SW (228 degrees) |
| Coordinates | 38 deg. 47.9 min. N (38.799N), 122 deg. 46.2 min. W (122.770W) |
| Depth | 3.14 km (2.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=1.7 km, Rmss=0.02 sec, Erho=0.4 km, Erzz=0.74000001 km, Gp=120 degrees |
| Event ID# | nc75287411 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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