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 2:21:00 AM (PDT) on Monday, October 6, 2025.
The magnitude 0.8 event occurred 6 km (3 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Monday, October 6, 2025 at 2:21:00 AM (PDT) Monday, October 6, 2025 at 9:21:00 (UTC) |
| Distance from |
Cobb, CA - 6 km (3 miles) W (275 degrees) The Geysers, CA - 6 km (4 miles) NNW (334 degrees) Kelseyville, CA - 17 km (11 miles) SSE (165 degrees) Middletown, CA - 17 km (11 miles) WNW (299 degrees) Lower Lake, CA - 18 km (11 miles) WSW (239 degrees) |
| Coordinates | 38 deg. 49.6 min. N (38.826N), 122 deg. 47.2 min. W (122.787W) |
| Depth | 1.68 km (1.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=1.4 km, Rmss=0.01 sec, Erho=0.26 km, Erzz=0.550000012 km, Gp=59 degrees |
| Event ID# | nc75245471 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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