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 4:50:14 AM (PDT) on Monday, October 27, 2025.
The magnitude 0.9 event occurred 4 km (3 miles) SW of Redlands, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Monday, October 27, 2025 at 4:50:14 AM (PDT) Monday, October 27, 2025 at 11:50:14 (UTC) |
| Distance from |
Redlands, CA - 4 km (3 miles) SW (217 degrees) Loma Linda, CA - 5 km (3 miles) ESE (121 degrees) Mentone, CA - 9 km (5 miles) SW (234 degrees) Grand Terrace, CA - 10 km (6 miles) E (97 degrees) Colton, CA - 11 km (7 miles) ESE (121 degrees) |
| Coordinates | 34 deg. 1.4 min. N (34.024N), 117 deg. 12.7 min. W (117.211W) |
| Depth | 12.75 km (7.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=46, Nph=75, Dmin=9.2 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.53 km, Gp=41 degrees |
| Event ID# | ci41320888 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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