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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:16:11 PM (PDT) on Tuesday, October 28, 2025.
The magnitude 1.1 event occurred 6 km (3 miles) S of Loma Linda, CA.
The hypocentral depth is 11 km ( 6 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Tuesday, October 28, 2025 at 7:16:11 PM (PDT) Wednesday, October 29, 2025 at 2:16:11 (UTC) |
| Distance from |
Loma Linda, CA - 6 km (3 miles) S (171 degrees) Grand Terrace, CA - 7 km (4 miles) SE (124 degrees) Moreno Valley, CA - 8 km (5 miles) NNW (345 degrees) Redlands, CA - 9 km (6 miles) SW (226 degrees) Colton, CA - 10 km (6 miles) SE (146 degrees) |
| Coordinates | 33 deg. 60.0 min. N (33.999N), 117 deg. 15.1 min. W (117.252W) |
| Depth | 10.54 km (6.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=56, Nph=100, Dmin=7.5 km, Rmss=0.18 sec, Erho=0.16 km, Erzz=0.32 km, Gp=73 degrees |
| Event ID# | ci41321856 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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