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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro quarry occurred at 9:31:24 AM (PST) on Thursday, January 22, 2026.
The magnitude 1.9 event (a probable quarry explosion) occurred 5 km (3 miles) SE of Home Gardens, CA.
The hypocentral depth is -1 km (-0.30 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Thursday, January 22, 2026 at 9:31:24 AM (PST)
Thursday, January 22, 2026 at 17:31:24 (UTC)
Distance from Home Gardens, CA - 5 km (3 miles) SE (140 degrees)
Corona, CA - 8 km (5 miles) ESE (109 degrees)
Norco, CA - 11 km (7 miles) SSE (150 degrees)
Woodcrest, CA - 13 km (8 miles) WSW (252 degrees)
Pedley, CA - 14 km (9 miles) S (185 degrees)
Coordinates 33 deg. 50.8 min. N (33.847N), 117 deg. 29.4 min. W (117.489W)
Depth -0.51 km (-0.30 miles)
Quality Fair
Location Quality Parameters Nst=58, Nph=89, Dmin=5.3 km, Rmss=0.3 sec, Erho=0.27 km, Erzz=31.61 km, Gp=30 degrees
Event ID# ci41168303
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