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 11:01:11 AM (PDT) on Thursday, June 4, 2026.
The magnitude 1.4 event (a probable quarry explosion) occurred 5 km (3 miles) SSE of Home Gardens, CA.
The hypocentral depth is -1 km (-0.30 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Thursday, June 4, 2026 at 11:01:11 AM (PDT) Thursday, June 4, 2026 at 18:01:11 (UTC) |
| Distance from |
Home Gardens, CA - 5 km (3 miles) SSE (148 degrees) Corona, CA - 7 km (5 miles) ESE (114 degrees) Norco, CA - 11 km (7 miles) SSE (153 degrees) Woodcrest, CA - 13 km (8 miles) WSW (251 degrees) Pedley, CA - 15 km (9 miles) S (187 degrees) |
| Coordinates | 33 deg. 50.5 min. N (33.842N), 117 deg. 29.7 min. W (117.495W) |
| Depth | -0.51 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=46, Nph=46, Dmin=5.3 km, Rmss=0.23 sec, Erho=0.31 km, Erzz=31.61 km, Gp=50 degrees |
| Event ID# | ci41480232 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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