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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 12:01:27 PM (PDT) on Friday, October 3, 2025.
The magnitude 0.9 event (a probable quarry explosion) occurred 2 km (1 miles) SSE of Home Gardens, CA.
The hypocentral depth is -0.44 km (-0.30 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Friday, October 3, 2025 at 12:01:27 PM (PDT) Friday, October 3, 2025 at 19:01:27 (UTC) |
| Distance from |
Home Gardens, CA - 2 km (1 miles) SSE (158 degrees) Corona, CA - 5 km (3 miles) E (97 degrees) Norco, CA - 8 km (5 miles) SSE (157 degrees) Pedley, CA - 13 km (8 miles) SSW (196 degrees) Mira Loma, CA - 14 km (9 miles) S (179 degrees) |
| Coordinates | 33 deg. 51.9 min. N (33.865N), 117 deg. 30.9 min. W (117.514W) |
| Depth | -0.44 km (-0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=30, Dmin=4.5 km, Rmss=0.24 sec, Erho=0.47 km, Erzz=31.61 km, Gp=57 degrees |
| Event ID# | ci41102223 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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