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

A micro earthquake occurred at 8:29:09 AM (PDT) on Friday, September 12, 2025.
The magnitude 2.1 event occurred 6 km (4 miles) WNW of Lytle Creek, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.1 - local magnitude (Ml)
Time Friday, September 12, 2025 at 8:29:09 AM (PDT)
Friday, September 12, 2025 at 15:29:09 (UTC)
Distance from Lytle Creek, CA - 6 km (4 miles) WNW (294 degrees)
Wrightwood, CA - 11 km (7 miles) SE (142 degrees)
Phelan, CA - 16 km (10 miles) S (175 degrees)
Devore, CA - 16 km (10 miles) WNW (295 degrees)
Rancho Cucamonga, CA - 18 km (11 miles) N (7 degrees)
Coordinates 34 deg. 16.8 min. N (34.281N), 117 deg. 33.4 min. W (117.557W)
Depth 5.79 km (3.60 miles)
Quality Good
Location Quality Parameters Nst=82, Nph=144, Dmin=8.6 km, Rmss=0.16 sec, Erho=0.11 km, Erzz=0.33 km, Gp=24 degrees
Event ID# ci41289920
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