Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE 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 earthquake occurred at 6:58:30 AM (PDT) on Sunday, July 20, 2025.
The magnitude 0.9 event occurred 7 km (5 miles) ESE of Winchester, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Sunday, July 20, 2025 at 6:58:30 AM (PDT)
Sunday, July 20, 2025 at 13:58:30 (UTC)
Distance from Winchester, CA - 7 km (5 miles) ESE (123 degrees)
Green Acres, CA - 9 km (6 miles) SE (144 degrees)
Hemet, CA - 9 km (6 miles) SSW (207 degrees)
Menifee, CA - 13 km (8 miles) ESE (118 degrees)
San Jacinto, CA - 14 km (8 miles) SSW (204 degrees)
Coordinates 33 deg. 40.3 min. N (33.672N), 117 deg. 1.1 min. W (117.018W)
Depth 10.57 km (6.60 miles)
Quality Excellent
Location Quality Parameters Nst=25, Nph=31, Dmin=2.5 km, Rmss=0.14 sec, Erho=0.29 km, Erzz=0.36 km, Gp=65 degrees
Event ID# ci41026951
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