Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT 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 quarry occurred at 11:40:03 AM (PDT) on Tuesday, July 22, 2025.
The magnitude 1.2 event (a probable quarry explosion) occurred 17 km (10 miles) NNE (21 degrees) of Apple Valley, CA.
The hypocentral depth is -1 km (-1 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Tuesday, July 22, 2025 at 11:40:03 AM (PDT) Tuesday, July 22, 2025 at 18:40:03 (UTC) |
| Distance from |
Apple Valley, CA - 17 km (10 miles) NNE (21 degrees) Victorville, CA - 19 km (12 miles) NE (53 degrees) Mountain View Acres, CA - 26 km (16 miles) NE (53 degrees) Lucerne Valley, CA - 26 km (16 miles) NNW (327 degrees) Adelanto, CA - 27 km (17 miles) ENE (76 degrees) |
| Coordinates | 34 deg. 38.4 min. N (34.640N), 117 deg. 7.3 min. W (117.121W) |
| Depth | -1.38 km (-0.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=22.3 km, Rmss=0.17 sec, Erho=0.38 km, Erzz=31.61 km, Gp=67 degrees |
| Event ID# | ci41028895 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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