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 #2: 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 8:44:29 PM (PST) on Friday, December 12, 2025.
The magnitude 1.3 event occurred 16 km (10 miles) WSW of Johannesburg, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Friday, December 12, 2025 at 8:44:29 PM (PST) Saturday, December 13, 2025 at 4:44:29 (UTC) |
| Distance from |
Johannesburg, CA - 16 km (10 miles) WSW (255 degrees) California City, CA - 29 km (18 miles) NE (35 degrees) Ridgecrest, CA - 34 km (21 miles) SSW (200 degrees) Inyokern, CA - 35 km (21 miles) S (178 degrees) Boron, CA - 40 km (25 miles) NNW (340 degrees) |
| Coordinates | 35 deg. 20.2 min. N (35.336N), 117 deg. 48.1 min. W (117.802W) |
| Depth | 5.96 km (3.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=17, Dmin=8.6 km, Rmss=0.170000002 sec, Erho=0.41 km, Erzz=0.99000001 km, Gp=123 degrees |
| Event ID# | ci41350768 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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