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 4:19:25 AM (PDT) on Monday, October 27, 2025.
The magnitude 1.5 event occurred 5 km (3 miles) ESE of Loma Linda, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Monday, October 27, 2025 at 4:19:25 AM (PDT) Monday, October 27, 2025 at 11:19:25 (UTC) |
| Distance from |
Loma Linda, CA - 5 km (3 miles) ESE (123 degrees) Redlands, CA - 5 km (3 miles) SW (215 degrees) Mentone, CA - 9 km (6 miles) SW (233 degrees) Grand Terrace, CA - 10 km (6 miles) E (98 degrees) Colton, CA - 11 km (7 miles) ESE (122 degrees) |
| Coordinates | 34 deg. 1.3 min. N (34.022N), 117 deg. 12.7 min. W (117.211W) |
| Depth | 13.80 km (8.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=86, Nph=153, Dmin=9.0 km, Rmss=0.18 sec, Erho=0.13 km, Erzz=0.31 km, Gp=19 degrees |
| Event ID# | ci41320872 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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