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 8:50:04 AM (PST) on Wednesday, December 10, 2025.
The magnitude 1.0 event occurred 2 km (1 miles) W of Loma Linda, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, December 10, 2025 at 8:50:04 AM (PST) Wednesday, December 10, 2025 at 16:50:04 (UTC) |
| Distance from |
Loma Linda, CA - 2 km (1 miles) W (272 degrees) Grand Terrace, CA - 3 km (2 miles) ENE (58 degrees) Colton, CA - 4 km (2 miles) SE (136 degrees) San Bernardino, CA - 9 km (6 miles) S (175 degrees) Redlands, CA - 9 km (6 miles) W (266 degrees) |
| Coordinates | 34 deg. 2.9 min. N (34.049N), 117 deg. 17.1 min. W (117.284W) |
| Depth | 15.83 km (9.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=23, Nph=36, Dmin=15.9 km, Rmss=0.15 sec, Erho=0.24 km, Erzz=0.7 km, Gp=49 degrees |
| Event ID# | ci41136815 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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