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 8:02:15 PM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.8 event occurred 3 km (2 miles) WSW of The Geysers, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Tuesday, September 9, 2025 at 8:02:15 PM (PDT) Wednesday, September 10, 2025 at 3:02:15 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) WSW (255 degrees) Cobb, CA - 8 km (5 miles) SW (224 degrees) Middletown, CA - 15 km (9 miles) W (278 degrees) Healdsburg, CA - 19 km (12 miles) NNE (22 degrees) Cloverdale, CA - 20 km (13 miles) E (101 degrees) |
| Coordinates | 38 deg. 46.3 min. N (38.771N), 122 deg. 47.2 min. W (122.786W) |
| Depth | 5.72 km (3.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.7 km, Rmss=0.07 sec, Erho=1.08 km, Erzz=1.50999999 km, Gp=206 degrees |
| Event ID# | nc75235782 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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