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 4:15:38 AM (PDT) on Saturday, August 9, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) NE (51 degrees) of Running Springs, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Saturday, August 9, 2025 at 4:15:38 AM (PDT) Saturday, August 9, 2025 at 11:15:38 (UTC) |
| Distance from |
Running Springs, CA - 4 km (2 miles) NE (51 degrees) Lake Arrowhead, CA - 11 km (7 miles) E (101 degrees) Big Bear Lake, CA - 15 km (10 miles) W (264 degrees) Highland, CA - 17 km (10 miles) NE (47 degrees) Crestline, CA - 19 km (12 miles) E (94 degrees) |
| Coordinates | 34 deg. 13.8 min. N (34.230N), 117 deg. 4.6 min. W (117.077W) |
| Depth | 2.10 km (1.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=56, Nph=92, Dmin=5.8 km, Rmss=0.16 sec, Erho=0.14 km, Erzz=0.23 km, Gp=54 degrees |
| Event ID# | ci41257168 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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