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 0:30:16 AM (PDT) on Thursday, September 4, 2025.
The magnitude 0.8 event occurred 3 km (2 miles) E (98 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Thursday, September 4, 2025 at 0:30:16 AM (PDT) Thursday, September 4, 2025 at 7:30:16 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) E (98 degrees) Cobb, CA - 5 km (3 miles) S (182 degrees) Middletown, CA - 10 km (6 miles) WNW (284 degrees) Hidden Valley Lake, CA - 15 km (9 miles) WSW (255 degrees) Lower Lake, CA - 18 km (11 miles) SSW (213 degrees) |
| Coordinates | 38 deg. 46.4 min. N (38.774N), 122 deg. 43.5 min. W (122.725W) |
| Depth | 2.02 km (1.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.3 km, Rmss=0.01 sec, Erho=0.36 km, Erzz=0.75999999 km, Gp=74 degrees |
| Event ID# | nc75232962 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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