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 1:45:43 AM (PST) on Saturday, December 20, 2025.
The magnitude 0.7 event occurred 5 km (3 miles) S of Redlands, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Saturday, December 20, 2025 at 1:45:43 AM (PST) Saturday, December 20, 2025 at 9:45:43 (UTC) |
| Distance from |
Redlands, CA - 5 km (3 miles) S (188 degrees) Loma Linda, CA - 8 km (5 miles) SE (125 degrees) Mentone, CA - 9 km (5 miles) SW (217 degrees) Moreno Valley, CA - 10 km (6 miles) NNE (21 degrees) Grand Terrace, CA - 12 km (7 miles) ESE (104 degrees) |
| Coordinates | 34 deg. 0.5 min. N (34.008N), 117 deg. 11.4 min. W (117.190W) |
| Depth | 10.84 km (6.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=52, Dmin=7.8 km, Rmss=0.15 sec, Erho=0.18 km, Erzz=0.48 km, Gp=65 degrees |
| Event ID# | ci41143639 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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