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 7:56:02 PM (PDT) on Monday, September 15, 2025.
The magnitude 1.9 event occurred 3 km (2 miles) NE (46 degrees) of The Geysers, CA.
The hypocentral depth is -0.01 km (-0.00 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Monday, September 15, 2025 at 7:56:02 PM (PDT) Tuesday, September 16, 2025 at 2:56:02 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NE (46 degrees) Cobb, CA - 3 km (2 miles) S (191 degrees) Middletown, CA - 11 km (7 miles) WNW (297 degrees) Hidden Valley Lake, CA - 15 km (9 miles) W (266 degrees) Lower Lake, CA - 16 km (10 miles) SW (219 degrees) |
| Coordinates | 38 deg. 47.9 min. N (38.798N), 122 deg. 43.8 min. W (122.729W) |
| Depth | -0.01 km (-0.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=28, Nph=27, Dmin=2.7 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.419999987 km, Gp=55 degrees |
| Event ID# | nc75238237 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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