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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:53:52 AM (PDT) on Monday, July 21, 2025.
The magnitude 1.2 event occurred 17 km (10 miles) WSW of Johannesburg, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Monday, July 21, 2025 at 1:53:52 AM (PDT) Monday, July 21, 2025 at 8:53:52 (UTC) |
| Distance from |
Johannesburg, CA - 17 km (10 miles) WSW (249 degrees) California City, CA - 27 km (17 miles) NE (37 degrees) Ridgecrest, CA - 36 km (22 miles) SSW (200 degrees) Inyokern, CA - 36 km (23 miles) S (179 degrees) Boron, CA - 38 km (24 miles) NNW (338 degrees) |
| Coordinates | 35 deg. 19.1 min. N (35.319N), 117 deg. 48.5 min. W (117.808W) |
| Depth | 7.47 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=47, Nph=80, Dmin=6.6 km, Rmss=0.16 sec, Erho=0.15 km, Erzz=0.45 km, Gp=36 degrees |
| Event ID# | ci41027359 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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