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 9:45:06 AM (PDT) on Thursday, September 11, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) E (94 degrees) of The Geysers, CA.
The hypocentral depth is 0.27 km (0.20 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Thursday, September 11, 2025 at 9:45:06 AM (PDT) Thursday, September 11, 2025 at 16:45:06 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) E (94 degrees) Cobb, CA - 5 km (3 miles) S (177 degrees) Middletown, CA - 9 km (6 miles) WNW (286 degrees) Hidden Valley Lake, CA - 14 km (9 miles) WSW (255 degrees) Lower Lake, CA - 18 km (11 miles) SSW (212 degrees) |
| Coordinates | 38 deg. 46.5 min. N (38.775N), 122 deg. 43.2 min. W (122.720W) |
| Depth | 0.27 km (0.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=1.6 km, Rmss=0.12 sec, Erho=0.34 km, Erzz=0.569999993 km, Gp=94 degrees |
| Event ID# | nc75236462 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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