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 event has been reviewed by a seismologist.
A micro earthquake occurred at 4:48:37 AM (PDT) on Thursday, October 8, 2026.
The magnitude 0.4 event occurred 8 km (5 miles) NNW of Fontana, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Thursday, October 8, 2026 at 4:48:37 AM (PDT) Thursday, October 8, 2026 at 11:48:37 (UTC) |
| Distance from |
Fontana, CA - 8 km (5 miles) NNW (344 degrees) Rancho Cucamonga, CA - 10 km (6 miles) ENE (63 degrees) Devore, CA - 10 km (6 miles) SW (229 degrees) Lytle Creek, CA - 11 km (7 miles) S (171 degrees) Rialto, CA - 12 km (8 miles) WNW (302 degrees) |
| Coordinates | 34 deg. 9.8 min. N (34.164N), 117 deg. 28.9 min. W (117.482W) |
| Depth | 6.83 km (4.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=24, Nph=42, Dmin=5.1 km, Rmss=0.12 sec, Erho=0.25 km, Erzz=0.33 km, Gp=78 degrees |
| Event ID# | ci41344967 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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