Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:13:36 PM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.3 event occurred 7 km (4 miles) SSW of Holtville, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Tuesday, September 23, 2025 at 9:13:36 PM (PDT) Wednesday, September 24, 2025 at 4:13:36 (UTC) |
| Distance from |
Holtville, CA - 7 km (4 miles) SSW (209 degrees) Heber, CA - 11 km (7 miles) ENE (74 degrees) Calexico, CA - 12 km (7 miles) NE (42 degrees) Mexicali, B.C., MX - 13 km (8 miles) NNE (23 degrees) El Centro, CA - 14 km (9 miles) ESE (104 degrees) |
| Coordinates | 32 deg. 45.5 min. N (32.758N), 115 deg. 24.9 min. W (115.415W) |
| Depth | 14.96 km (9.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=26, Nph=41, Dmin=6.0 km, Rmss=0.28 sec, Erho=0.59 km, Erzz=0.78 km, Gp=64 degrees |
| Event ID# | ci40449282 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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