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 6:32:57 PM (PDT) on Sunday, October 26, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Sunday, October 26, 2025 at 6:32:57 PM (PDT) Monday, October 27, 2025 at 1:32:57 (UTC) |
| Distance from |
Cobb, CA - 4 km (2 miles) W (269 degrees) The Geysers, CA - 5 km (3 miles) N (351 degrees) Middletown, CA - 15 km (9 miles) WNW (301 degrees) Lower Lake, CA - 17 km (10 miles) SW (234 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (275 degrees) |
| Coordinates | 38 deg. 49.3 min. N (38.821N), 122 deg. 45.9 min. W (122.765W) |
| Depth | 2.08 km (1.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.28 km, Erzz=0.589999974 km, Gp=118 degrees |
| Event ID# | nc75255041 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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