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

A micro earthquake occurred at 2:07:32 AM (PDT) on Friday, August 29, 2025.
The magnitude 1.1 event occurred 5 km (3 miles) SSE of Julian, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Friday, August 29, 2025 at 2:07:32 AM (PDT)
Friday, August 29, 2025 at 9:07:32 (UTC)
Distance from Julian, CA - 5 km (3 miles) SSE (163 degrees)
San Diego Country Estates, CA - 19 km (12 miles) E (81 degrees)
Pine Valley, CA - 24 km (15 miles) NNW (348 degrees)
Ramona, CA - 26 km (16 miles) E (92 degrees)
Alpine, CA - 28 km (17 miles) NE (37 degrees)
Coordinates 33 deg. 2.0 min. N (33.033N), 116 deg. 35.1 min. W (116.585W)
Depth 12.24 km (7.60 miles)
Quality Good
Location Quality Parameters Nst=48, Nph=82, Dmin=5.4 km, Rmss=0.22 sec, Erho=0.21 km, Erzz=0.59 km, Gp=42 degrees
Event ID# ci41278056
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