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 2:18:48 AM (PDT) on Thursday, September 4, 2025.
The magnitude 0.7 event occurred 9 km (5 miles) ENE (70 degrees) of Julian, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Thursday, September 4, 2025 at 2:18:48 AM (PDT)
Thursday, September 4, 2025 at 9:18:48 (UTC)
Distance from Julian, CA - 9 km (5 miles) ENE (70 degrees)
Borrego Springs, CA - 21 km (13 miles) SW (218 degrees)
Warner Springs, CA - 23 km (14 miles) SSE (151 degrees)
San Diego Country Estates, CA - 27 km (17 miles) ENE (66 degrees)
Lake Henshaw, CA - 28 km (17 miles) ESE (123 degrees)
Coordinates 33 deg. 6.3 min. N (33.105N), 116 deg. 30.9 min. W (116.515W)
Depth 10.29 km (6.40 miles)
Quality Good
Location Quality Parameters Nst=40, Nph=72, Dmin=7.8 km, Rmss=0.2 sec, Erho=0.2 km, Erzz=0.43 km, Gp=52 degrees
Event ID# ci41282856
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