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 #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 12:45:15 PM (PDT) on Thursday, August 14, 2025.
The magnitude 1.7 event (a probable quarry explosion) occurred 16 km (10 miles) NNE (22 degrees) of Apple Valley, CA.
The hypocentral depth is -1 km (-1 miles).
| Magnitude | 1.7 - (unknown type) |
| Time | Thursday, August 14, 2025 at 12:45:15 PM (PDT) Thursday, August 14, 2025 at 19:45:15 (UTC) |
| Distance from |
Apple Valley, CA - 16 km (10 miles) NNE (22 degrees) Victorville, CA - 19 km (12 miles) NE (54 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 (77 degrees) |
| Coordinates | 34 deg. 38.2 min. N (34.637N), 117 deg. 7.1 min. W (117.119W) |
| Depth | -1.29 km (-0.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=17, Nph=18, Dmin=22.6 km, Rmss=0.15 sec, Erho=0.35 km, Erzz=31.61 km, Gp=63 degrees |
| Event ID# | ci41260880 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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