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 7:57:15 PM (PST) on Monday, December 29, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) S of Loma Linda, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Monday, December 29, 2025 at 7:57:15 PM (PST) Tuesday, December 30, 2025 at 3:57:15 (UTC) |
| Distance from |
Loma Linda, CA - 2 km (1 miles) S (181 degrees) Grand Terrace, CA - 5 km (3 miles) E (99 degrees) Colton, CA - 7 km (4 miles) SE (138 degrees) Redlands, CA - 8 km (5 miles) WSW (246 degrees) Moreno Valley, CA - 12 km (7 miles) NNW (345 degrees) |
| Coordinates | 34 deg. 1.6 min. N (34.027N), 117 deg. 15.7 min. W (117.261W) |
| Depth | 9.64 km (6.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=20, Nph=29, Dmin=19.0 km, Rmss=0.19 sec, Erho=0.9 km, Erzz=1.62 km, Gp=205 degrees |
| Event ID# | ci41149175 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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