Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #4: 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 4:43:49 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 0.9 event occurred 15 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Wednesday, September 10, 2025 at 4:43:49 AM (PDT) Wednesday, September 10, 2025 at 11:43:49 (UTC) |
| Distance from |
Johannesburg, CA - 15 km (10 miles) W (266 degrees) California City, CA - 31 km (19 miles) NNE (32 degrees) Ridgecrest, CA - 31 km (19 miles) SSW (202 degrees) Inyokern, CA - 32 km (20 miles) S (179 degrees) Boron, CA - 43 km (27 miles) NNW (341 degrees) |
| Coordinates | 35 deg. 21.8 min. N (35.363N), 117 deg. 48.3 min. W (117.804W) |
| Depth | 7.21 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=28, Nph=52, Dmin=11.3 km, Rmss=0.17 sec, Erho=0.27 km, Erzz=1 km, Gp=118 degrees |
| Event ID# | ci41287968 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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