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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 5:50:47 AM (PDT) on Saturday, September 6, 2025.
The magnitude 0.9 event occurred 2 km (1 miles) NNW of Fontana, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Saturday, September 6, 2025 at 5:50:47 AM (PDT) Saturday, September 6, 2025 at 12:50:47 (UTC) |
| Distance from |
Fontana, CA - 2 km (1 miles) NNW (340 degrees) Bloomington, CA - 8 km (5 miles) NW (308 degrees) Rialto, CA - 9 km (5 miles) W (276 degrees) Rancho Cucamonga, CA - 11 km (7 miles) E (95 degrees) Glen Avon, CA - 12 km (7 miles) N (9 degrees) |
| Coordinates | 34 deg. 6.9 min. N (34.115N), 117 deg. 27.9 min. W (117.466W) |
| Depth | 7.29 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=41, Nph=67, Dmin=6.9 km, Rmss=0.17 sec, Erho=0.22 km, Erzz=0.39 km, Gp=44 degrees |
| Event ID# | ci41284736 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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