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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:06:14 PM (PDT) on Thursday, October 23, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) N of Big Bear City, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Thursday, October 23, 2025 at 7:06:14 PM (PDT) Friday, October 24, 2025 at 2:06:14 (UTC) |
| Distance from |
Big Bear City, CA - 7 km (4 miles) N (353 degrees) Big Bear Lake, CA - 10 km (6 miles) NNE (32 degrees) Lucerne Valley, CA - 17 km (11 miles) SE (143 degrees) Running Springs, CA - 27 km (17 miles) ENE (62 degrees) Lake Arrowhead, CA - 32 km (20 miles) ENE (75 degrees) |
| Coordinates | 34 deg. 19.2 min. N (34.320N), 116 deg. 51.2 min. W (116.853W) |
| Depth | 5.77 km (3.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=42, Nph=70, Dmin=3.9 km, Rmss=0.16 sec, Erho=0.15 km, Erzz=0.33 km, Gp=47 degrees |
| Event ID# | ci41113495 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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