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 4:35:23 AM (PST) on Friday, November 21, 2025.
The magnitude 1.0 event occurred 11 km (7 miles) NNE (16 degrees) of Running Springs, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Friday, November 21, 2025 at 4:35:23 AM (PST) Friday, November 21, 2025 at 12:35:23 (UTC) |
| Distance from |
Running Springs, CA - 11 km (7 miles) NNE (16 degrees) Lake Arrowhead, CA - 12 km (8 miles) ENE (60 degrees) Big Bear Lake, CA - 16 km (10 miles) WNW (294 degrees) Lucerne Valley, CA - 18 km (11 miles) SSW (212 degrees) Crestline, CA - 20 km (13 miles) ENE (70 degrees) |
| Coordinates | 34 deg. 18.2 min. N (34.303N), 117 deg. 4.5 min. W (117.076W) |
| Depth | 1.22 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=39, Nph=65, Dmin=8.3 km, Rmss=0.17 sec, Erho=0.16 km, Erzz=0.33 km, Gp=61 degrees |
| Event ID# | ci41125399 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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