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 micro earthquake occurred at 10:38:54 PM (PDT) on Sunday, August 10, 2025.
The magnitude 1.0 event occurred 10 km (6 miles) N of La Verne, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Sunday, August 10, 2025 at 10:38:54 PM (PDT) Monday, August 11, 2025 at 5:38:54 (UTC) |
| Distance from |
La Verne, CA - 10 km (6 miles) N (356 degrees) Glendora, CA - 10 km (6 miles) NE (55 degrees) San Dimas, CA - 10 km (6 miles) NNE (18 degrees) Claremont, CA - 11 km (7 miles) NNW (334 degrees) Charter Oak, CA - 12 km (7 miles) NE (35 degrees) |
| Coordinates | 34 deg. 11.3 min. N (34.188N), 117 deg. 46.5 min. W (117.775W) |
| Depth | 14.18 km (8.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=51, Nph=90, Dmin=7.8 km, Rmss=0.21 sec, Erho=0.23 km, Erzz=0.37 km, Gp=59 degrees |
| Event ID# | ci41258192 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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