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 4:36:44 PM (PDT) on Friday, September 5, 2025.
The magnitude 0.9 event occurred 10 km (6 miles) WNW of Big Bear Lake, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Friday, September 5, 2025 at 4:36:44 PM (PDT) Friday, September 5, 2025 at 23:36:44 (UTC) |
| Distance from |
Big Bear Lake, CA - 10 km (6 miles) WNW (289 degrees) Running Springs, CA - 11 km (7 miles) NE (51 degrees) Big Bear City, CA - 15 km (10 miles) W (275 degrees) Lake Arrowhead, CA - 16 km (10 miles) E (80 degrees) Lucerne Valley, CA - 19 km (12 miles) SSW (192 degrees) |
| Coordinates | 34 deg. 16.4 min. N (34.273N), 117 deg. 0.8 min. W (117.013W) |
| Depth | 8.01 km (5.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=25, Nph=42, Dmin=1.9 km, Rmss=0.13 sec, Erho=0.18 km, Erzz=0.29 km, Gp=49 degrees |
| Event ID# | ci41284432 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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