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 3:28:02 PM (PST) on Monday, December 1, 2025.
The magnitude 0.8 event occurred 6 km (4 miles) SSE of Loma Linda, CA.
The hypocentral depth is 20 km (12 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Monday, December 1, 2025 at 3:28:02 PM (PST) Monday, December 1, 2025 at 23:28:02 (UTC) |
| Distance from |
Loma Linda, CA - 6 km (4 miles) SSE (150 degrees) Moreno Valley, CA - 8 km (5 miles) N (1 degrees) Redlands, CA - 8 km (5 miles) SSW (213 degrees) Grand Terrace, CA - 9 km (6 miles) ESE (116 degrees) Colton, CA - 12 km (7 miles) SE (136 degrees) |
| Coordinates | 33 deg. 59.9 min. N (33.999N), 117 deg. 13.6 min. W (117.227W) |
| Depth | 19.91 km (12.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=10, Nph=17, Dmin=28.5 km, Rmss=0.1 sec, Erho=0.92 km, Erzz=2.59 km, Gp=241 degrees |
| Event ID# | ci41130559 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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