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 6:16:41 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 1.7 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, October 22, 2025 at 6:16:41 PM (PDT) Thursday, October 23, 2025 at 1:16:41 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NW (324 degrees) Cobb, CA - 6 km (4 miles) W (269 degrees) Kelseyville, CA - 18 km (11 miles) SSE (168 degrees) Middletown, CA - 18 km (11 miles) WNW (296 degrees) Cloverdale, CA - 19 km (12 miles) E (85 degrees) |
| Coordinates | 38 deg. 49.3 min. N (38.821N), 122 deg. 47.9 min. W (122.798W) |
| Depth | 1.94 km (1.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=27, Nph=27, Dmin=1.5 km, Rmss=0.02 sec, Erho=0.2 km, Erzz=0.319999993 km, Gp=31 degrees |
| Event ID# | nc75253146 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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