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 8:33:57 PM (PDT) on Thursday, October 23, 2025.
The magnitude 0.7 event occurred 6 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Thursday, October 23, 2025 at 8:33:57 PM (PDT) Friday, October 24, 2025 at 3:33:57 (UTC) |
| Distance from |
The Geysers, CA - 6 km (3 miles) NNW (327 degrees) Cobb, CA - 6 km (4 miles) W (267 degrees) Middletown, CA - 17 km (11 miles) WNW (296 degrees) Kelseyville, CA - 18 km (11 miles) SSE (167 degrees) Lower Lake, CA - 19 km (12 miles) WSW (237 degrees) |
| Coordinates | 38 deg. 49.2 min. N (38.819N), 122 deg. 47.5 min. W (122.792W) |
| Depth | 3.07 km (1.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=1.2 km, Rmss=0.02 sec, Erho=0.33 km, Erzz=0.610000014 km, Gp=54 degrees |
| Event ID# | nc75253761 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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