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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 4:04:11 PM (PDT) on Thursday, October 16, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) ESE of Loma Linda, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Thursday, October 16, 2025 at 4:04:11 PM (PDT) Thursday, October 16, 2025 at 23:04:11 (UTC) |
| Distance from |
Loma Linda, CA - 3 km (2 miles) ESE (108 degrees) Redlands, CA - 5 km (3 miles) WSW (251 degrees) Grand Terrace, CA - 7 km (5 miles) E (84 degrees) Colton, CA - 8 km (5 miles) ESE (117 degrees) Highland, CA - 10 km (6 miles) SSW (194 degrees) |
| Coordinates | 34 deg. 2.5 min. N (34.041N), 117 deg. 14.1 min. W (117.234W) |
| Depth | 6.37 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=76, Nph=138, Dmin=8.4 km, Rmss=0.17 sec, Erho=0.11 km, Erzz=0.41 km, Gp=27 degrees |
| Event ID# | ci41109519 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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