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 4:24:52 AM (PDT) on Friday, October 31, 2025.
The magnitude 1.4 event occurred 0 km (0 miles) WNW of The Geysers, CA.
The hypocentral depth is -0.05 km (-0.00 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Friday, October 31, 2025 at 4:24:52 AM (PDT) Friday, October 31, 2025 at 11:24:52 (UTC) |
| Distance from |
The Geysers, CA - 0 km (0 miles) WNW (286 degrees) Cobb, CA - 6 km (4 miles) SW (215 degrees) Middletown, CA - 13 km (8 miles) WNW (283 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (260 degrees) Lower Lake, CA - 20 km (12 miles) SW (222 degrees) |
| Coordinates | 38 deg. 46.7 min. N (38.778N), 122 deg. 45.7 min. W (122.762W) |
| Depth | -0.05 km (-0.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=0.9 km, Rmss=0.03 sec, Erho=0.22 km, Erzz=0.409999996 km, Gp=73 degrees |
| Event ID# | nc75257051 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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