Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 12:26:49 PM (PDT) on Tuesday, July 22, 2025.
The magnitude 1.6 event (a probable quarry explosion) occurred 4 km (2 miles) SE of Home Gardens, CA.
The hypocentral depth is -0.50 km (-0.30 miles).
| Magnitude | 1.6 - local magnitude (Ml) |
| Time | Tuesday, July 22, 2025 at 12:26:49 PM (PDT) Tuesday, July 22, 2025 at 19:26:49 (UTC) |
| Distance from |
Home Gardens, CA - 4 km (2 miles) SE (137 degrees) Corona, CA - 7 km (4 miles) ESE (106 degrees) Norco, CA - 10 km (6 miles) SSE (149 degrees) Woodcrest, CA - 13 km (8 miles) WSW (255 degrees) Pedley, CA - 14 km (9 miles) S (186 degrees) |
| Coordinates | 33 deg. 51.1 min. N (33.852N), 117 deg. 29.6 min. W (117.493W) |
| Depth | -0.50 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=51, Nph=51, Dmin=5.9 km, Rmss=0.21 sec, Erho=0.27 km, Erzz=31.61 km, Gp=31 degrees |
| Event ID# | ci41028951 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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