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 10:22:51 AM (PDT) on Thursday, October 16, 2025.
The magnitude 0.9 event occurred 14 km (9 miles) W of Johannesburg, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Thursday, October 16, 2025 at 10:22:51 AM (PDT) Thursday, October 16, 2025 at 17:22:51 (UTC) |
| Distance from |
Johannesburg, CA - 14 km (9 miles) W (264 degrees) Ridgecrest, CA - 31 km (19 miles) SSW (200 degrees) California City, CA - 31 km (20 miles) NE (34 degrees) Inyokern, CA - 32 km (20 miles) S (177 degrees) Boron, CA - 42 km (26 miles) NNW (342 degrees) |
| Coordinates | 35 deg. 21.6 min. N (35.360N), 117 deg. 47.5 min. W (117.792W) |
| Depth | 4.41 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=29, Nph=49, Dmin=11.4 km, Rmss=0.17 sec, Erho=0.2 km, Erzz=0.51 km, Gp=74 degrees |
| Event ID# | ci41109231 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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