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 10:25:33 PM (PDT) on Wednesday, October 8, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) NNE (25 degrees) of Running Springs, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, October 8, 2025 at 10:25:33 PM (PDT) Thursday, October 9, 2025 at 5:25:33 (UTC) |
| Distance from |
Running Springs, CA - 7 km (4 miles) NNE (25 degrees) Lake Arrowhead, CA - 11 km (7 miles) E (79 degrees) Big Bear Lake, CA - 15 km (10 miles) W (279 degrees) Crestline, CA - 19 km (12 miles) E (82 degrees) Highland, CA - 20 km (12 miles) NE (38 degrees) |
| Coordinates | 34 deg. 16.0 min. N (34.267N), 117 deg. 4.6 min. W (117.076W) |
| Depth | 4.20 km (2.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=53, Nph=87, Dmin=6.6 km, Rmss=0.17 sec, Erho=0.14 km, Erzz=0.41 km, Gp=30 degrees |
| Event ID# | ci41105583 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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