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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 11:10:22 AM (PDT) on Friday, July 25, 2025.
The magnitude 1.4 event (a probable quarry explosion) occurred 45 km (28 miles) NE (53 degrees) of Holtville, CA.
The hypocentral depth is -0.23 km (-0.10 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Friday, July 25, 2025 at 11:10:22 AM (PDT) Friday, July 25, 2025 at 18:10:22 (UTC) |
| Distance from |
Holtville, CA - 45 km (28 miles) NE (53 degrees) Los Algodones, B.C., MX - 46 km (29 miles) NNW (328 degrees) Calipatria, CA - 49 km (31 miles) E (99 degrees) Yuma, AZ - 50 km (31 miles) NW (317 degrees) Brawley, CA - 51 km (32 miles) E (80 degrees) |
| Coordinates | 33 deg. 3.3 min. N (33.055N), 114 deg. 59.6 min. W (114.994W) |
| Depth | -0.23 km (-0.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=9.3 km, Rmss=0.22 sec, Erho=0.54 km, Erzz=31.61 km, Gp=66 degrees |
| Event ID# | ci41032103 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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