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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:39:09 PM (PST) on Monday, December 1, 2025.
The magnitude 0.5 event occurred 10 km (6 miles) NE (48 degrees) of Running Springs, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Monday, December 1, 2025 at 7:39:09 PM (PST) Tuesday, December 2, 2025 at 3:39:09 (UTC) |
| Distance from |
Running Springs, CA - 10 km (6 miles) NE (48 degrees) Big Bear Lake, CA - 11 km (7 miles) WNW (285 degrees) Lake Arrowhead, CA - 15 km (9 miles) E (81 degrees) Big Bear City, CA - 17 km (10 miles) W (273 degrees) Lucerne Valley, CA - 20 km (12 miles) SSW (196 degrees) |
| Coordinates | 34 deg. 16.2 min. N (34.270N), 117 deg. 1.6 min. W (117.027W) |
| Depth | 5.62 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=39, Nph=65, Dmin=2.4 km, Rmss=0.16 sec, Erho=0.17 km, Erzz=0.3 km, Gp=51 degrees |
| Event ID# | ci41130735 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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