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 #2: 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 1:29:08 PM (PDT) on Tuesday, March 25, 2025.
The magnitude 1.6 event occurred 6 km (4 miles) NNE (33 degrees) of Fontana, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.6 - local magnitude (Ml) |
| Time | Tuesday, March 25, 2025 at 1:29:08 PM (PDT) Tuesday, March 25, 2025 at 20:29:08 (UTC) |
| Distance from |
Fontana, CA - 6 km (4 miles) NNE (33 degrees) Rialto, CA - 6 km (4 miles) NW (313 degrees) Muscoy, CA - 7 km (4 miles) W (262 degrees) Bloomington, CA - 9 km (5 miles) NNW (345 degrees) Devore, CA - 9 km (5 miles) S (191 degrees) |
| Coordinates | 34 deg. 8.7 min. N (34.145N), 117 deg. 25.2 min. W (117.421W) |
| Depth | 8.23 km (5.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=67, Nph=77, Dmin=5.3 km, Rmss=0.18 sec, Erho=0.23 km, Erzz=0.5 km, Gp=22 degrees |
| Event ID# | ci40910095 |
| Additional Information | Map Did You Feel It? First Motion Focal Mechanism Waveforms |
For more information, see https://earthquake.usgs.gov
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