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 6:43:35 PM (PDT) on Saturday, November 1, 2025.
The magnitude 0.8 event occurred 4 km (2 miles) W of Cobb, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, November 1, 2025 at 6:43:35 PM (PDT) Sunday, November 2, 2025 at 1:43:35 (UTC) |
| Distance from |
Cobb, CA - 4 km (2 miles) W (270 degrees) The Geysers, CA - 5 km (3 miles) N (349 degrees) Middletown, CA - 15 km (9 miles) WNW (300 degrees) Lower Lake, CA - 17 km (10 miles) SW (234 degrees) Kelseyville, CA - 18 km (11 miles) SSE (160 degrees) |
| Coordinates | 38 deg. 49.3 min. N (38.822N), 122 deg. 46.0 min. W (122.767W) |
| Depth | 2.63 km (1.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.0 km, Rmss=0.01 sec, Erho=0.57 km, Erzz=1.35000002 km, Gp=109 degrees |
| Event ID# | nc75257811 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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