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 10:58:02 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.8 event occurred 2 km (1 miles) NE (46 degrees) of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Tuesday, September 9, 2025 at 10:58:02 AM (PDT) Tuesday, September 9, 2025 at 17:58:02 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NE (46 degrees) Cobb, CA - 4 km (2 miles) SSW (200 degrees) Middletown, CA - 11 km (7 miles) WNW (293 degrees) Hidden Valley Lake, CA - 16 km (10 miles) W (264 degrees) Lower Lake, CA - 17 km (11 miles) SW (220 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.792N), 122 deg. 44.2 min. W (122.737W) |
| Depth | 0.88 km (0.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.31 km, Erzz=0.689999998 km, Gp=119 degrees |
| Event ID# | nc75235632 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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