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 7:06:22 PM (PDT) on Thursday, October 30, 2025.
The magnitude 1.0 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 12 km ( 7 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Thursday, October 30, 2025 at 7:06:22 PM (PDT) Friday, October 31, 2025 at 2:06:22 (UTC) |
| Distance from |
The Geysers, CA - 8 km (5 miles) NW (304 degrees) Cobb, CA - 10 km (6 miles) W (267 degrees) Cloverdale, CA - 16 km (10 miles) E (85 degrees) Kelseyville, CA - 18 km (11 miles) S (179 degrees) Middletown, CA - 20 km (13 miles) WNW (291 degrees) |
| Coordinates | 38 deg. 49.1 min. N (38.818N), 122 deg. 50.1 min. W (122.835W) |
| Depth | 11.58 km (7.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.1 km, Rmss=0.07 sec, Erho=2.08 km, Erzz=7.65999985 km, Gp=131 degrees |
| Event ID# | nc75256891 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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