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 #3: 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 7:21:38 AM (PST) on Wednesday, December 31, 2025.
The magnitude 0.9 event occurred 5 km (3 miles) SSW of Redlands, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Wednesday, December 31, 2025 at 7:21:38 AM (PST) Wednesday, December 31, 2025 at 15:21:38 (UTC) |
| Distance from |
Redlands, CA - 5 km (3 miles) SSW (213 degrees) Loma Linda, CA - 6 km (4 miles) ESE (123 degrees) Mentone, CA - 9 km (5 miles) SW (231 degrees) Grand Terrace, CA - 10 km (6 miles) E (99 degrees) Colton, CA - 11 km (7 miles) ESE (122 degrees) |
| Coordinates | 34 deg. 1.2 min. N (34.020N), 117 deg. 12.6 min. W (117.210W) |
| Depth | 12.76 km (7.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=41, Dmin=9.1 km, Rmss=0.13 sec, Erho=0.19 km, Erzz=0.67 km, Gp=54 degrees |
| Event ID# | ci41150167 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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