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 7:15:36 AM (PDT) on Sunday, August 31, 2025.
The magnitude 1.8 event occurred 7 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, August 31, 2025 at 7:15:36 AM (PDT) Sunday, August 31, 2025 at 14:15:36 (UTC) |
| Distance from |
Cobb, CA - 7 km (4 miles) WNW (282 degrees) The Geysers, CA - 7 km (5 miles) NNW (329 degrees) Kelseyville, CA - 16 km (10 miles) SSE (168 degrees) Cloverdale, CA - 19 km (12 miles) E (80 degrees) Soda Bay, CA - 19 km (12 miles) S (183 degrees) |
| Coordinates | 38 deg. 50.1 min. N (38.834N), 122 deg. 48.1 min. W (122.801W) |
| Depth | 2.47 km (1.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=34, Nph=34, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.19 km, Erzz=0.310000002 km, Gp=39 degrees |
| Event ID# | nc75231237 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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