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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro quarry occurred at 2:19:16 PM (PDT) on Tuesday, September 2, 2025.
The magnitude 1.4 event (a probable quarry explosion) occurred 5 km (3 miles) NW of Boron, CA.
The hypocentral depth is -1 km (-0.50 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Tuesday, September 2, 2025 at 2:19:16 PM (PDT) Tuesday, September 2, 2025 at 21:19:16 (UTC) |
| Distance from |
Boron, CA - 5 km (3 miles) NW (312 degrees) Edwards Air Force Base, CA - 26 km (16 miles) ENE (58 degrees) California City, CA - 29 km (18 miles) ESE (112 degrees) Johannesburg, CA - 39 km (24 miles) S (187 degrees) Mojave, CA - 44 km (28 miles) E (93 degrees) |
| Coordinates | 35 deg. 1.7 min. N (35.028N), 117 deg. 41.3 min. W (117.688W) |
| Depth | -0.79 km (-0.50 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=31, Nph=39, Dmin=10.4 km, Rmss=0.21 sec, Erho=0.4 km, Erzz=0.64 km, Gp=62 degrees |
| Event ID# | ci41281800 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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