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 #5: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro quarry occurred at 12:30:23 PM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.2 event (a probable quarry explosion) occurred 3 km (2 miles) SE of Home Gardens, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Wednesday, September 10, 2025 at 12:30:23 PM (PDT) Wednesday, September 10, 2025 at 19:30:23 (UTC) |
| Distance from |
Home Gardens, CA - 3 km (2 miles) SE (134 degrees) Corona, CA - 6 km (4 miles) E (99 degrees) Norco, CA - 9 km (6 miles) SSE (150 degrees) Pedley, CA - 13 km (8 miles) S (190 degrees) Woodcrest, CA - 13 km (8 miles) W (260 degrees) |
| Coordinates | 33 deg. 51.6 min. N (33.861N), 117 deg. 30.0 min. W (117.499W) |
| Depth | 2.19 km (1.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=40, Nph=58, Dmin=6.9 km, Rmss=0.2 sec, Erho=0.26 km, Erzz=0.31 km, Gp=51 degrees |
| Event ID# | ci41288440 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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