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 7:01:41 PM (PDT) on Tuesday, August 12, 2025.
The magnitude 0.7 event occurred 7 km (4 miles) NNE (25 degrees) of Fontana, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Tuesday, August 12, 2025 at 7:01:41 PM (PDT) Wednesday, August 13, 2025 at 2:01:41 (UTC) |
| Distance from |
Fontana, CA - 7 km (4 miles) NNE (25 degrees) Rialto, CA - 7 km (5 miles) NW (313 degrees) Devore, CA - 8 km (5 miles) SSW (197 degrees) Muscoy, CA - 8 km (5 miles) W (268 degrees) Bloomington, CA - 10 km (6 miles) NNW (342 degrees) |
| Coordinates | 34 deg. 9.1 min. N (34.152N), 117 deg. 25.7 min. W (117.428W) |
| Depth | 6.28 km (3.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=44, Nph=63, Dmin=8.2 km, Rmss=0.15 sec, Erho=0.2 km, Erzz=0.43 km, Gp=50 degrees |
| Event ID# | ci41259576 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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