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 micro earthquake occurred at 5:52:00 PM (PDT) on Wednesday, October 1, 2025.
The magnitude 0.3 event occurred 4 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km (0.40 miles).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Wednesday, October 1, 2025 at 5:52:00 PM (PDT) Thursday, October 2, 2025 at 0:52:00 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) SE (132 degrees) Cobb, CA - 7 km (5 miles) S (182 degrees) Middletown, CA - 10 km (6 miles) W (272 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (248 degrees) Lower Lake, CA - 20 km (12 miles) SSW (210 degrees) |
| Coordinates | 38 deg. 45.4 min. N (38.756N), 122 deg. 43.6 min. W (122.726W) |
| Depth | 0.67 km (0.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=4, Nph=7, Dmin=0.6 km, Rmss=0.02 sec, Erho=0.82 km, Erzz=0.79 km, Gp=249 degrees |
| Event ID# | nc75243706 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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