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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 8:23:42 AM (PDT) on Saturday, September 27, 2025.
The magnitude 0.7 event occurred 9 km (5 miles) SE of Winchester, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Saturday, September 27, 2025 at 8:23:42 AM (PDT)
Saturday, September 27, 2025 at 15:23:42 (UTC)
Distance from Winchester, CA - 9 km (5 miles) SE (133 degrees)
Green Acres, CA - 11 km (7 miles) SSE (149 degrees)
Hemet, CA - 11 km (7 miles) SSW (201 degrees)
San Jacinto, CA - 15 km (10 miles) SSW (200 degrees)
Valle Vista, CA - 15 km (10 miles) SW (227 degrees)
Coordinates 33 deg. 39.2 min. N (33.653N), 117 deg. 0.9 min. W (117.015W)
Depth 16.18 km (10.10 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.6 km, Rmss=0.09 sec, Erho=1.37 km, Erzz=2.77 km, Gp=120 degrees
Event ID# ci41099487
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