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 #2: 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 3:51:12 AM (PST) on Saturday, December 13, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) E (81 degrees) of Mentone, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Saturday, December 13, 2025 at 3:51:12 AM (PST) Saturday, December 13, 2025 at 11:51:12 (UTC) |
| Distance from |
Mentone, CA - 3 km (2 miles) E (81 degrees) Yucaipa, CA - 7 km (4 miles) NW (312 degrees) Redlands, CA - 8 km (5 miles) ENE (75 degrees) Calimesa, CA - 11 km (7 miles) NNW (336 degrees) Highland, CA - 12 km (7 miles) ESE (121 degrees) |
| Coordinates | 34 deg. 4.5 min. N (34.075N), 117 deg. 5.9 min. W (117.099W) |
| Depth | 15.93 km (9.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=20, Dmin=20.2 km, Rmss=0.280000001 sec, Erho=0.94 km, Erzz=3.1500001 km, Gp=121 degrees |
| Event ID# | ci41350888 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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