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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 0:11:44 AM (PDT) on Wednesday, August 13, 2025.
The magnitude 1.4 event occurred 7 km (4 miles) NNE (30 degrees) of Fontana, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Wednesday, August 13, 2025 at 0:11:44 AM (PDT) Wednesday, August 13, 2025 at 7:11:44 (UTC) |
| Distance from |
Fontana, CA - 7 km (4 miles) NNE (30 degrees) Rialto, CA - 7 km (4 miles) NW (316 degrees) Muscoy, CA - 7 km (4 miles) W (266 degrees) Devore, CA - 8 km (5 miles) SSW (193 degrees) Bloomington, CA - 9 km (6 miles) NNW (345 degrees) |
| Coordinates | 34 deg. 9.0 min. N (34.150N), 117 deg. 25.3 min. W (117.422W) |
| Depth | 7.12 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=78, Nph=128, Dmin=4.8 km, Rmss=0.18 sec, Erho=0.14 km, Erzz=0.31 km, Gp=27 degrees |
| Event ID# | ci41259720 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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