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 12:00:27 PM (PDT) on Wednesday, October 8, 2025.
The magnitude 1.2 event (a probable quarry explosion) occurred 2 km (2 miles) SE of Home Gardens, CA.
The hypocentral depth is -0.24 km (-0.10 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Wednesday, October 8, 2025 at 12:00:27 PM (PDT) Wednesday, October 8, 2025 at 19:00:27 (UTC) |
| Distance from |
Home Gardens, CA - 2 km (2 miles) SE (126 degrees) Corona, CA - 6 km (4 miles) E (95 degrees) Norco, CA - 9 km (5 miles) SSE (148 degrees) Pedley, CA - 12 km (8 miles) S (190 degrees) Riverside, CA - 13 km (8 miles) SW (226 degrees) |
| Coordinates | 33 deg. 51.9 min. N (33.865N), 117 deg. 30.0 min. W (117.499W) |
| Depth | -0.24 km (-0.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=44, Nph=44, Dmin=5.8 km, Rmss=0.21 sec, Erho=0.29 km, Erzz=31.61 km, Gp=29 degrees |
| Event ID# | ci41105303 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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