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 #4: 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 earthquake occurred at 7:33:29 AM (PDT) on Friday, September 26, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) ESE of Colton, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Friday, September 26, 2025 at 7:33:29 AM (PDT) Friday, September 26, 2025 at 14:33:29 (UTC) |
| Distance from |
Colton, CA - 3 km (2 miles) ESE (106 degrees) Loma Linda, CA - 3 km (2 miles) NW (313 degrees) Grand Terrace, CA - 5 km (3 miles) NE (34 degrees) San Bernardino, CA - 7 km (4 miles) S (175 degrees) Rialto, CA - 9 km (6 miles) ESE (119 degrees) |
| Coordinates | 34 deg. 4.1 min. N (34.068N), 117 deg. 17.2 min. W (117.286W) |
| Depth | 7.25 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=62, Nph=110, Dmin=4.0 km, Rmss=0.17 sec, Erho=0.13 km, Erzz=0.34 km, Gp=29 degrees |
| Event ID# | ci41098719 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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