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 6:54:52 PM (PDT) on Sunday, September 28, 2025.
The magnitude 1.3 event occurred 9 km (6 miles) WNW of Cobb, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Sunday, September 28, 2025 at 6:54:52 PM (PDT) Monday, September 29, 2025 at 1:54:52 (UTC) |
| Distance from |
Cobb, CA - 9 km (6 miles) WNW (293 degrees) The Geysers, CA - 10 km (6 miles) NW (326 degrees) Kelseyville, CA - 14 km (9 miles) S (174 degrees) Soda Bay, CA - 17 km (10 miles) S (190 degrees) Cloverdale, CA - 18 km (11 miles) ENE (72 degrees) |
| Coordinates | 38 deg. 51.3 min. N (38.854N), 122 deg. 49.4 min. W (122.823W) |
| Depth | 3.57 km (2.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=0.1 km, Rmss=0.03 sec, Erho=0.88 km, Erzz=2.02999997 km, Gp=168 degrees |
| Event ID# | nc75243207 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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