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 4:15:11 PM (PDT) on Wednesday, October 28, 2026.
The magnitude 1.0 event (a probable quarry explosion) occurred 2 km (1 miles) ESE of Home Gardens, CA.
The hypocentral depth is -1 km (-0.30 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, October 28, 2026 at 4:15:11 PM (PDT) Wednesday, October 28, 2026 at 23:15:11 (UTC) |
| Distance from |
Home Gardens, CA - 2 km (1 miles) ESE (105 degrees) Corona, CA - 6 km (4 miles) E (87 degrees) Norco, CA - 8 km (5 miles) SE (144 degrees) Pedley, CA - 12 km (7 miles) S (190 degrees) Mira Loma, CA - 13 km (8 miles) S (173 degrees) |
| Coordinates | 33 deg. 52.4 min. N (33.873N), 117 deg. 29.9 min. W (117.498W) |
| Depth | -0.53 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=7.9 km, Rmss=0.15 sec, Erho=0.28 km, Erzz=31.61 km, Gp=59 degrees |
| Event ID# | ci41568520 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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