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 10:39:21 AM (PDT) on Tuesday, August 26, 2025.
The magnitude 0.9 event occurred 4 km (2 miles) N (0 degrees) of Fontana, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, August 26, 2025 at 10:39:21 AM (PDT) Tuesday, August 26, 2025 at 17:39:21 (UTC) |
| Distance from |
Fontana, CA - 4 km (2 miles) N (0 degrees) Rialto, CA - 9 km (5 miles) WNW (290 degrees) Bloomington, CA - 9 km (6 miles) NW (321 degrees) Rancho Cucamonga, CA - 11 km (7 miles) E (84 degrees) Devore, CA - 11 km (7 miles) SSW (208 degrees) |
| Coordinates | 34 deg. 8.0 min. N (34.133N), 117 deg. 27.5 min. W (117.458W) |
| Depth | 16.15 km (10.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=9, Dmin=7.6 km, Rmss=0.21 sec, Erho=0.88 km, Erzz=0.99 km, Gp=167 degrees |
| Event ID# | ci41275648 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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