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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 8:51:02 AM (PST) on Tuesday, December 2, 2025.
The magnitude 1.4 event occurred 2 km (1 miles) N (6 degrees) of Colton, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Tuesday, December 2, 2025 at 8:51:02 AM (PST) Tuesday, December 2, 2025 at 16:51:02 (UTC) |
| Distance from |
Colton, CA - 2 km (1 miles) N (6 degrees) San Bernardino, CA - 4 km (3 miles) SSW (202 degrees) Rialto, CA - 6 km (4 miles) ESE (104 degrees) Grand Terrace, CA - 7 km (4 miles) N (2 degrees) Loma Linda, CA - 7 km (4 miles) NW (318 degrees) |
| Coordinates | 34 deg. 5.7 min. N (34.094N), 117 deg. 18.6 min. W (117.311W) |
| Depth | 15.95 km (9.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=75, Nph=128, Dmin=5.3 km, Rmss=0.19 sec, Erho=0.16 km, Erzz=0.33 km, Gp=27 degrees |
| Event ID# | ci41130959 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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