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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:55:32 PM (PDT) on Sunday, August 17, 2025.
The magnitude 0.5 event occurred 5 km (3 miles) NNW of Big Bear City, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Sunday, August 17, 2025 at 9:55:32 PM (PDT) Monday, August 18, 2025 at 4:55:32 (UTC) |
| Distance from |
Big Bear City, CA - 5 km (3 miles) NNW (341 degrees) Big Bear Lake, CA - 8 km (5 miles) NE (35 degrees) Lucerne Valley, CA - 19 km (12 miles) SSE (148 degrees) Running Springs, CA - 25 km (16 miles) ENE (65 degrees) Lake Arrowhead, CA - 31 km (19 miles) E (79 degrees) |
| Coordinates | 34 deg. 18.1 min. N (34.302N), 116 deg. 51.7 min. W (116.862W) |
| Depth | 5.39 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=25, Nph=36, Dmin=6.1 km, Rmss=0.16 sec, Erho=0.23 km, Erzz=0.44 km, Gp=74 degrees |
| Event ID# | ci40401610 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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