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 12:25:58 PM (PST) on Sunday, December 21, 2025.
The magnitude 1.2 event occurred 5 km (3 miles) NW of Redlands, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Sunday, December 21, 2025 at 12:25:58 PM (PST) Sunday, December 21, 2025 at 20:25:58 (UTC) |
| Distance from |
Redlands, CA - 5 km (3 miles) NW (322 degrees) Highland, CA - 5 km (3 miles) S (184 degrees) Loma Linda, CA - 6 km (4 miles) NE (46 degrees) Mentone, CA - 7 km (5 miles) WNW (285 degrees) San Bernardino, CA - 9 km (5 miles) ESE (122 degrees) |
| Coordinates | 34 deg. 5.3 min. N (34.088N), 117 deg. 12.8 min. W (117.213W) |
| Depth | 5.21 km (3.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=51, Nph=79, Dmin=6.8 km, Rmss=0.19 sec, Erho=0.16 km, Erzz=0.36 km, Gp=53 degrees |
| Event ID# | ci41144735 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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