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 9:10:42 PM (PST) on Saturday, December 6, 2025.
The magnitude 1.4 event occurred 4 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is -1 km (-0.50 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Saturday, December 6, 2025 at 9:10:42 PM (PST) Sunday, December 7, 2025 at 5:10:42 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) NW (310 degrees) Cobb, CA - 6 km (4 miles) WSW (247 degrees) Middletown, CA - 16 km (10 miles) WNW (289 degrees) Cloverdale, CA - 20 km (12 miles) E (92 degrees) Lower Lake, CA - 20 km (12 miles) SW (232 degrees) |
| Coordinates | 38 deg. 48.0 min. N (38.799N), 122 deg. 47.4 min. W (122.791W) |
| Depth | -0.88 km (-0.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=24, Nph=24, Dmin=0.7 km, Rmss=0.08 sec, Erho=0.17 km, Erzz=0.479999989 km, Gp=59 degrees |
| Event ID# | nc75275556 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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