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 9:21:30 PM (PST) on Sunday, December 7, 2025.
The magnitude 0.9 event occurred 3 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Sunday, December 7, 2025 at 9:21:30 PM (PST) Monday, December 8, 2025 at 5:21:30 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NNW (337 degrees) Cobb, CA - 5 km (3 miles) WSW (242 degrees) Middletown, CA - 15 km (9 miles) WNW (293 degrees) Lower Lake, CA - 18 km (11 miles) SW (229 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (268 degrees) |
| Coordinates | 38 deg. 48.2 min. N (38.803N), 122 deg. 46.2 min. W (122.770W) |
| Depth | 1.44 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=0.9 km, Rmss=0.02 sec, Erho=0.25 km, Erzz=0.469999999 km, Gp=80 degrees |
| Event ID# | nc75276186 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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