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 2:23:16 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 0.8 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is -1 km (-0.40 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Wednesday, October 22, 2025 at 2:23:16 PM (PDT) Wednesday, October 22, 2025 at 21:23:16 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NW (312 degrees) Cobb, CA - 8 km (5 miles) W (265 degrees) Cloverdale, CA - 18 km (11 miles) E (86 degrees) Kelseyville, CA - 18 km (11 miles) S (172 degrees) Middletown, CA - 18 km (11 miles) WNW (293 degrees) |
| Coordinates | 38 deg. 49.0 min. N (38.816N), 122 deg. 48.6 min. W (122.811W) |
| Depth | -0.64 km (-0.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=1.6 km, Rmss=0.04 sec, Erho=0.25 km, Erzz=2.53999996 km, Gp=78 degrees |
| Event ID# | nc75253066 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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