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 12:02:55 PM (PDT) on Wednesday, August 19, 2026.
The magnitude 0.9 event (a probable quarry explosion) occurred 2 km (2 miles) ESE of Home Gardens, CA.
The hypocentral depth is -0.44 km (-0.30 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Wednesday, August 19, 2026 at 12:02:55 PM (PDT) Wednesday, August 19, 2026 at 19:02:55 (UTC) |
| Distance from |
Home Gardens, CA - 2 km (2 miles) ESE (117 degrees) Corona, CA - 6 km (4 miles) E (92 degrees) Norco, CA - 8 km (5 miles) SE (146 degrees) Pedley, CA - 12 km (8 miles) S (190 degrees) Riverside, CA - 13 km (8 miles) SW (227 degrees) |
| Coordinates | 33 deg. 52.1 min. N (33.868N), 117 deg. 29.9 min. W (117.498W) |
| Depth | -0.44 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=32, Nph=32, Dmin=5.9 km, Rmss=0.21 sec, Erho=0.37 km, Erzz=31.61 km, Gp=46 degrees |
| Event ID# | ci41530480 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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