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 minor earthquake occurred at 5:11:47 PM (PDT) on Saturday, September 6, 2025.
The magnitude 3.4 event occurred 10 km (6 miles) N (7 degrees) of La Verne, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 3.4 - local magnitude (Ml) |
| Time | Saturday, September 6, 2025 at 5:11:47 PM (PDT) Sunday, September 7, 2025 at 0:11:47 (UTC) |
| Distance from |
La Verne, CA - 10 km (6 miles) N (7 degrees) San Dimas, CA - 10 km (6 miles) NNE (27 degrees) Claremont, CA - 11 km (7 miles) NNW (342 degrees) Glendora, CA - 12 km (7 miles) ENE (60 degrees) Charter Oak, CA - 13 km (8 miles) NE (41 degrees) |
| Coordinates | 34 deg. 11.3 min. N (34.188N), 117 deg. 45.3 min. W (117.755W) |
| Depth | 7.90 km (4.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=174, Nph=315, Dmin=6.2 km, Rmss=0.23 sec, Erho=0.11 km, Erzz=0.39 km, Gp=14 degrees |
| Event ID# | ci41285224 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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