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 5:42:15 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 1.2 event occurred 10 km (7 miles) NNE (17 degrees) of Running Springs, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Wednesday, October 22, 2025 at 5:42:15 PM (PDT) Thursday, October 23, 2025 at 0:42:15 (UTC) |
| Distance from |
Running Springs, CA - 10 km (7 miles) NNE (17 degrees) Lake Arrowhead, CA - 12 km (7 miles) ENE (62 degrees) Big Bear Lake, CA - 16 km (10 miles) WNW (292 degrees) Lucerne Valley, CA - 19 km (12 miles) SSW (211 degrees) Crestline, CA - 20 km (13 miles) ENE (72 degrees) |
| Coordinates | 34 deg. 17.9 min. N (34.298N), 117 deg. 4.5 min. W (117.075W) |
| Depth | 0.88 km (0.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=44, Nph=76, Dmin=7.9 km, Rmss=0.18 sec, Erho=0.17 km, Erzz=0.31 km, Gp=61 degrees |
| Event ID# | ci41113087 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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