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 10:10:18 PM (PDT) on Sunday, March 15, 2026.
The magnitude 1.0 event occurred 4 km (3 miles) WSW of Fontana, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Sunday, March 15, 2026 at 10:10:18 PM (PDT) Monday, March 16, 2026 at 5:10:18 (UTC) |
| Distance from |
Fontana, CA - 4 km (3 miles) WSW (255 degrees) Rancho Cucamonga, CA - 8 km (5 miles) ESE (118 degrees) Glen Avon, CA - 9 km (5 miles) N (350 degrees) Bloomington, CA - 10 km (6 miles) WNW (282 degrees) Mira Loma, CA - 11 km (7 miles) N (8 degrees) |
| Coordinates | 34 deg. 5.3 min. N (34.088N), 117 deg. 30.0 min. W (117.501W) |
| Depth | 10.81 km (6.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=48, Nph=84, Dmin=5.3 km, Rmss=0.14 sec, Erho=0.19 km, Erzz=0.22 km, Gp=50 degrees |
| Event ID# | ci41204887 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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