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 6:34:13 AM (PDT) on Thursday, October 2, 2025.
The magnitude 0.7 event occurred 4 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Thursday, October 2, 2025 at 6:34:13 AM (PDT) Thursday, October 2, 2025 at 13:34:13 (UTC) |
| Distance from |
Cobb, CA - 4 km (2 miles) W (266 degrees) The Geysers, CA - 5 km (3 miles) N (350 degrees) Middletown, CA - 15 km (9 miles) WNW (300 degrees) Lower Lake, CA - 17 km (10 miles) SW (233 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (274 degrees) |
| Coordinates | 38 deg. 49.2 min. N (38.820N), 122 deg. 46.0 min. W (122.766W) |
| Depth | 2.17 km (1.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.2 km, Rmss=0.01 sec, Erho=0.59 km, Erzz=1.28999996 km, Gp=109 degrees |
| Event ID# | nc75243901 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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