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 6:58:44 PM (PDT) on Thursday, October 23, 2025.
The magnitude 0.8 event occurred 6 km (4 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Thursday, October 23, 2025 at 6:58:44 PM (PDT) Friday, October 24, 2025 at 1:58:44 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) WNW (296 degrees) Cobb, CA - 9 km (5 miles) WSW (255 degrees) Cloverdale, CA - 17 km (11 miles) E (91 degrees) Middletown, CA - 19 km (12 miles) WNW (287 degrees) Kelseyville, CA - 20 km (12 miles) S (175 degrees) |
| Coordinates | 38 deg. 48.1 min. N (38.801N), 122 deg. 49.2 min. W (122.820W) |
| Depth | 2.42 km (1.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.35 km, Erzz=0.819999993 km, Gp=103 degrees |
| Event ID# | nc75253726 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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