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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:22:02 PM (PST) on Thursday, December 18, 2025.
The magnitude 1.2 event occurred 18 km (11 miles) WSW of Johannesburg, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Thursday, December 18, 2025 at 9:22:02 PM (PST) Friday, December 19, 2025 at 5:22:02 (UTC) |
| Distance from |
Johannesburg, CA - 18 km (11 miles) WSW (244 degrees) California City, CA - 26 km (16 miles) NE (39 degrees) Boron, CA - 37 km (23 miles) NNW (337 degrees) Ridgecrest, CA - 37 km (23 miles) SSW (199 degrees) Inyokern, CA - 38 km (24 miles) S (179 degrees) |
| Coordinates | 35 deg. 18.2 min. N (35.303N), 117 deg. 48.5 min. W (117.808W) |
| Depth | 8.13 km (5.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=34, Nph=63, Dmin=5.3 km, Rmss=0.18 sec, Erho=0.17 km, Erzz=0.43 km, Gp=58 degrees |
| Event ID# | ci41142623 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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