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 12:30:27 PM (PDT) on Friday, March 20, 2026.
The magnitude 1.3 event (a probable quarry explosion) occurred 5 km (3 miles) SE of Home Gardens, CA.
The hypocentral depth is -0.50 km (-0.30 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Friday, March 20, 2026 at 12:30:27 PM (PDT) Friday, March 20, 2026 at 19:30:27 (UTC) |
| Distance from |
Home Gardens, CA - 5 km (3 miles) SE (137 degrees) Corona, CA - 8 km (5 miles) ESE (110 degrees) Norco, CA - 11 km (7 miles) SSE (148 degrees) Woodcrest, CA - 12 km (8 miles) WSW (251 degrees) Pedley, CA - 14 km (9 miles) S (183 degrees) |
| Coordinates | 33 deg. 50.7 min. N (33.845N), 117 deg. 29.0 min. W (117.484W) |
| Depth | -0.50 km (-0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=40, Nph=40, Dmin=4.7 km, Rmss=0.25 sec, Erho=0.37 km, Erzz=31.61 km, Gp=43 degrees |
| Event ID# | ci41421144 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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