Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 4:23:48 AM (PDT) on Friday, October 31, 2025.
The magnitude 3.2 event occurred 1 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 3.2 - local magnitude (Ml) |
| Time | Friday, October 31, 2025 at 4:23:48 AM (PDT) Friday, October 31, 2025 at 11:23:48 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) NW (308 degrees) Cobb, CA - 6 km (4 miles) SW (219 degrees) Middletown, CA - 13 km (8 miles) WNW (284 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (261 degrees) Lower Lake, CA - 20 km (12 miles) SW (223 degrees) |
| Coordinates | 38 deg. 46.9 min. N (38.782N), 122 deg. 45.9 min. W (122.764W) |
| Depth | 2.23 km (1.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=61, Nph=64, Dmin=6.1 km, Rmss=0.91 sec, Erho=1.48 km, Erzz=3.588 km, Gp=22 degrees |
| Event ID# | nc75257056 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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