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 3:56:54 PM (PDT) on Thursday, March 20, 2025.
The magnitude 0.7 event occurred 6 km (4 miles) NNE (17 degrees) of Fontana, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Thursday, March 20, 2025 at 3:56:54 PM (PDT) Thursday, March 20, 2025 at 22:56:54 (UTC) |
| Distance from |
Fontana, CA - 6 km (4 miles) NNE (17 degrees) Rialto, CA - 8 km (5 miles) NW (307 degrees) Devore, CA - 9 km (5 miles) SSW (203 degrees) Muscoy, CA - 9 km (5 miles) W (267 degrees) Bloomington, CA - 10 km (6 miles) NNW (336 degrees) |
| Coordinates | 34 deg. 9.0 min. N (34.150N), 117 deg. 26.4 min. W (117.439W) |
| Depth | 10.33 km (6.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=24, Dmin=8.5 km, Rmss=0.14 sec, Erho=0.28 km, Erzz=0.66 km, Gp=113 degrees |
| Event ID# | ci40905575 |
| Additional Information | Map Waveforms |
For more information, see https://earthquake.usgs.gov
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