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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 1:35:26 PM (PDT) on Thursday, October 23, 2025.
The magnitude 1.0 event occurred 9 km (6 miles) NNE (18 degrees) of Running Springs, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Thursday, October 23, 2025 at 1:35:26 PM (PDT) Thursday, October 23, 2025 at 20:35:26 (UTC) |
| Distance from |
Running Springs, CA - 9 km (6 miles) NNE (18 degrees) Lake Arrowhead, CA - 11 km (7 miles) ENE (66 degrees) Big Bear Lake, CA - 16 km (10 miles) WNW (288 degrees) Crestline, CA - 20 km (12 miles) ENE (75 degrees) Lucerne Valley, CA - 20 km (12 miles) SSW (210 degrees) |
| Coordinates | 34 deg. 17.3 min. N (34.289N), 117 deg. 4.6 min. W (117.077W) |
| Depth | 2.05 km (1.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=7.5 km, Rmss=0.1 sec, Erho=0.82 km, Erzz=0.52 km, Gp=186 degrees |
| Event ID# | ci41113391 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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