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 4:27:26 PM (PDT) on Monday, August 25, 2025.
The magnitude 0.8 event occurred 7 km (4 miles) NNE (20 degrees) of Fontana, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Monday, August 25, 2025 at 4:27:26 PM (PDT) Monday, August 25, 2025 at 23:27:26 (UTC) |
| Distance from |
Fontana, CA - 7 km (4 miles) NNE (20 degrees) Rialto, CA - 8 km (5 miles) NW (315 degrees) Devore, CA - 8 km (5 miles) SSW (201 degrees) Muscoy, CA - 8 km (5 miles) W (273 degrees) Bloomington, CA - 10 km (6 miles) NNW (341 degrees) |
| Coordinates | 34 deg. 9.4 min. N (34.157N), 117 deg. 25.9 min. W (117.431W) |
| Depth | 6.20 km (3.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=27, Nph=39, Dmin=8.0 km, Rmss=0.16 sec, Erho=0.26 km, Erzz=0.52 km, Gp=45 degrees |
| Event ID# | ci41274920 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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