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 8:19:52 PM (PDT) on Tuesday, March 25, 2025.
The magnitude 0.7 event occurred 9 km (5 miles) NNW of Fontana, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Tuesday, March 25, 2025 at 8:19:52 PM (PDT) Wednesday, March 26, 2025 at 3:19:52 (UTC) |
| Distance from |
Fontana, CA - 9 km (5 miles) NNW (345 degrees) Devore, CA - 9 km (6 miles) SW (234 degrees) Lytle Creek, CA - 10 km (6 miles) S (171 degrees) Rancho Cucamonga, CA - 11 km (7 miles) ENE (58 degrees) Rialto, CA - 13 km (8 miles) NW (306 degrees) |
| Coordinates | 34 deg. 10.4 min. N (34.173N), 117 deg. 28.9 min. W (117.482W) |
| Depth | 9.63 km (6.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=25, Nph=34, Dmin=4.2 km, Rmss=0.12 sec, Erho=0.23 km, Erzz=0.29 km, Gp=69 degrees |
| Event ID# | ci40910463 |
| Additional Information | Map Waveforms |
For more information, see https://earthquake.usgs.gov
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