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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 0:46:28 AM (PDT) on Tuesday, July 22, 2025.
The magnitude 0.8 event occurred 3 km (2 miles) NE (46 degrees) of Fontana, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Tuesday, July 22, 2025 at 0:46:28 AM (PDT) Tuesday, July 22, 2025 at 7:46:28 (UTC) |
| Distance from |
Fontana, CA - 3 km (2 miles) NE (46 degrees) Bloomington, CA - 6 km (4 miles) NW (321 degrees) Rialto, CA - 6 km (4 miles) W (277 degrees) Muscoy, CA - 10 km (6 miles) WSW (243 degrees) Glen Avon, CA - 12 km (8 miles) NNE (21 degrees) |
| Coordinates | 34 deg. 6.8 min. N (34.114N), 117 deg. 26.3 min. W (117.439W) |
| Depth | 4.14 km (2.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=47, Nph=75, Dmin=1.6 km, Rmss=0.18 sec, Erho=0.21 km, Erzz=0.4 km, Gp=41 degrees |
| Event ID# | ci41028335 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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