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 #3: 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 9:14:29 PM (PST) on Monday, December 22, 2025.
The magnitude 1.0 event occurred 15 km (9 miles) WSW of Johannesburg, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Monday, December 22, 2025 at 9:14:29 PM (PST) Tuesday, December 23, 2025 at 5:14:29 (UTC) |
| Distance from |
Johannesburg, CA - 15 km (9 miles) WSW (256 degrees) California City, CA - 29 km (18 miles) NE (36 degrees) Ridgecrest, CA - 33 km (21 miles) SSW (199 degrees) Inyokern, CA - 34 km (21 miles) S (178 degrees) Boron, CA - 40 km (25 miles) NNW (340 degrees) |
| Coordinates | 35 deg. 20.3 min. N (35.339N), 117 deg. 47.9 min. W (117.798W) |
| Depth | 5.36 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=54, Dmin=9.0 km, Rmss=0.17 sec, Erho=0.2 km, Erzz=0.67 km, Gp=81 degrees |
| Event ID# | ci41145927 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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