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 10:48:25 AM (PDT) on Wednesday, June 24, 2026.
The magnitude 1.0 event (a probable quarry explosion) occurred 45 km (28 miles) NE (53 degrees) of Holtville, CA.
The hypocentral depth is -0.20 km (-0.10 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, June 24, 2026 at 10:48:25 AM (PDT) Wednesday, June 24, 2026 at 17:48:25 (UTC) |
| Distance from |
Holtville, CA - 45 km (28 miles) NE (53 degrees) Los Algodones, B.C., MX - 47 km (29 miles) NNW (328 degrees) Calipatria, CA - 49 km (30 miles) E (99 degrees) Brawley, CA - 50 km (31 miles) E (80 degrees) Yuma, AZ - 51 km (31 miles) NW (316 degrees) |
| Coordinates | 33 deg. 3.2 min. N (33.053N), 115 deg. 0.0 min. W (115.000W) |
| Depth | -0.20 km (-0.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=9.2 km, Rmss=0.26 sec, Erho=0.66 km, Erzz=31.61 km, Gp=61 degrees |
| Event ID# | ci41494504 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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