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

A micro earthquake occurred at 8:50:20 PM (PDT) on Monday, October 6, 2025.
The magnitude 0.5 event occurred 12 km (7 miles) NW of Julian, CA.
The hypocentral depth is 17 km (11 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Monday, October 6, 2025 at 8:50:20 PM (PDT)
Tuesday, October 7, 2025 at 3:50:20 (UTC)
Distance from Julian, CA - 12 km (7 miles) NW (314 degrees)
Lake Henshaw, CA - 12 km (8 miles) SSE (147 degrees)
Warner Springs, CA - 16 km (10 miles) SSW (200 degrees)
San Diego Country Estates, CA - 18 km (11 miles) NNE (28 degrees)
Ramona, CA - 20 km (13 miles) NE (54 degrees)
Coordinates 33 deg. 9.0 min. N (33.150N), 116 deg. 41.5 min. W (116.692W)
Depth 17.26 km (10.70 miles)
Quality Good
Location Quality Parameters Nst=26, Nph=45, Dmin=6.8 km, Rmss=0.17 sec, Erho=0.25 km, Erzz=0.59 km, Gp=43 degrees
Event ID# ci37745620
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