Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 2:18:41 PM (PDT) on Friday, July 25, 2025.
The magnitude 1.4 event (a probable quarry explosion) occurred 10 km (6 miles) NNW of Big Bear City, CA.
The hypocentral depth is -2 km (-1 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Friday, July 25, 2025 at 2:18:41 PM (PDT) Friday, July 25, 2025 at 21:18:41 (UTC) |
| Distance from |
Big Bear City, CA - 10 km (6 miles) NNW (339 degrees) Big Bear Lake, CA - 11 km (7 miles) NNE (13 degrees) Lucerne Valley, CA - 14 km (8 miles) SE (145 degrees) Running Springs, CA - 26 km (16 miles) NE (54 degrees) Lake Arrowhead, CA - 30 km (19 miles) ENE (69 degrees) |
| Coordinates | 34 deg. 20.6 min. N (34.343N), 116 deg. 53.0 min. W (116.883W) |
| Depth | -1.60 km (-1.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=5.1 km, Rmss=0.2 sec, Erho=0.43 km, Erzz=31.61 km, Gp=52 degrees |
| Event ID# | ci41032351 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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