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 8:59:21 AM (PDT) on Wednesday, September 3, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) WNW of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, September 3, 2025 at 8:59:21 AM (PDT) Wednesday, September 3, 2025 at 15:59:21 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) WNW (295 degrees) Cobb, CA - 7 km (4 miles) WSW (242 degrees) Middletown, CA - 16 km (10 miles) WNW (286 degrees) Cloverdale, CA - 19 km (12 miles) E (95 degrees) Healdsburg, CA - 21 km (13 miles) NNE (17 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.792N), 122 deg. 47.8 min. W (122.797W) |
| Depth | 0.83 km (0.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=0.7 km, Rmss=0.03 sec, Erho=0.2 km, Erzz=0.460000008 km, Gp=78 degrees |
| Event ID# | nc75232697 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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