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 2:48:17 PM (PDT) on Saturday, October 11, 2025.
The magnitude 1.2 event occurred 4 km (3 miles) ENE (71 degrees) of Colton, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Saturday, October 11, 2025 at 2:48:17 PM (PDT) Saturday, October 11, 2025 at 21:48:17 (UTC) |
| Distance from |
Colton, CA - 4 km (3 miles) ENE (71 degrees) Loma Linda, CA - 4 km (3 miles) N (350 degrees) San Bernardino, CA - 5 km (3 miles) SSE (155 degrees) Grand Terrace, CA - 7 km (4 miles) NE (35 degrees) Highland, CA - 7 km (4 miles) SW (230 degrees) |
| Coordinates | 34 deg. 5.2 min. N (34.087N), 117 deg. 16.2 min. W (117.269W) |
| Depth | 12.79 km (7.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=46, Nph=79, Dmin=6.0 km, Rmss=0.15 sec, Erho=0.17 km, Erzz=0.47 km, Gp=66 degrees |
| Event ID# | ci41106935 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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