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 8:57:21 AM (PDT) on Wednesday, May 6, 2026.
The magnitude 1.4 event (a probable quarry explosion) occurred 4 km (2 miles) SE of Home Gardens, CA.
The hypocentral depth is -1 km (-0.30 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Wednesday, May 6, 2026 at 8:57:21 AM (PDT)
Wednesday, May 6, 2026 at 15:57:21 (UTC)
Distance from Home Gardens, CA - 4 km (2 miles) SE (140 degrees)
Corona, CA - 7 km (4 miles) ESE (108 degrees)
Norco, CA - 10 km (6 miles) SSE (150 degrees)
Woodcrest, CA - 13 km (8 miles) WSW (254 degrees)
Pedley, CA - 14 km (9 miles) S (187 degrees)
Coordinates 33 deg. 51.0 min. N (33.850N), 117 deg. 29.6 min. W (117.493W)
Depth -0.51 km (-0.30 miles)
Quality Fair
Location Quality Parameters Nst=36, Nph=41, Dmin=5.8 km, Rmss=0.24 sec, Erho=0.36 km, Erzz=31.61 km, Gp=46 degrees
Event ID# ci41242447
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