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 4:14:23 PM (PDT) on Tuesday, September 2, 2025.
The magnitude 1.2 event (a probable quarry explosion) occurred 4 km (3 miles) SE of Home Gardens, CA.
The hypocentral depth is -1 km (-0.30 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Tuesday, September 2, 2025 at 4:14:23 PM (PDT) Tuesday, September 2, 2025 at 23:14:23 (UTC) |
| Distance from |
Home Gardens, CA - 4 km (3 miles) SE (141 degrees) Corona, CA - 8 km (5 miles) ESE (110 degrees) Norco, CA - 11 km (7 miles) SSE (150 degrees) Woodcrest, CA - 13 km (8 miles) WSW (253 degrees) Pedley, CA - 14 km (9 miles) S (186 degrees) |
| Coordinates | 33 deg. 50.8 min. N (33.847N), 117 deg. 29.5 min. W (117.491W) |
| Depth | -0.53 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=33, Nph=33, Dmin=5.4 km, Rmss=0.19 sec, Erho=0.34 km, Erzz=31.61 km, Gp=49 degrees |
| Event ID# | ci41281864 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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