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 6:13:19 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 1.0 event occurred 10 km (6 miles) NNE (23 degrees) of Running Springs, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, October 22, 2025 at 6:13:19 PM (PDT) Thursday, October 23, 2025 at 1:13:19 (UTC) |
| Distance from |
Running Springs, CA - 10 km (6 miles) NNE (23 degrees) Lake Arrowhead, CA - 12 km (8 miles) ENE (67 degrees) Big Bear Lake, CA - 15 km (9 miles) WNW (290 degrees) Lucerne Valley, CA - 19 km (12 miles) SSW (208 degrees) Crestline, CA - 21 km (13 miles) ENE (75 degrees) |
| Coordinates | 34 deg. 17.5 min. N (34.291N), 117 deg. 3.9 min. W (117.066W) |
| Depth | 4.57 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=32, Nph=50, Dmin=6.7 km, Rmss=0.22 sec, Erho=0.3 km, Erzz=0.91 km, Gp=60 degrees |
| Event ID# | ci41113111 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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