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 4:18:17 AM (PDT) on Friday, March 28, 2025.
The magnitude 1.3 event occurred 2 km (2 miles) NNE (21 degrees) of Colton, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Friday, March 28, 2025 at 4:18:17 AM (PDT) Friday, March 28, 2025 at 11:18:17 (UTC) |
| Distance from |
Colton, CA - 2 km (2 miles) NNE (21 degrees) San Bernardino, CA - 4 km (2 miles) SSW (194 degrees) Rialto, CA - 6 km (4 miles) ESE (102 degrees) Grand Terrace, CA - 7 km (4 miles) N (7 degrees) Loma Linda, CA - 7 km (4 miles) NW (323 degrees) |
| Coordinates | 34 deg. 5.7 min. N (34.095N), 117 deg. 18.2 min. W (117.304W) |
| Depth | 7.16 km (4.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=50, Nph=83, Dmin=1.2 km, Rmss=0.14 sec, Erho=0.13 km, Erzz=0.3 km, Gp=45 degrees |
| Event ID# | ci40911991 |
| Additional Information | Map Waveforms |
For more information, see https://earthquake.usgs.gov
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