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 8:09:58 AM (PST) on Friday, December 26, 2025.
The magnitude 1.7 event occurred 7 km (5 miles) SE of San Diego Country Estates, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Friday, December 26, 2025 at 8:09:58 AM (PST)
Friday, December 26, 2025 at 16:09:58 (UTC)
Distance from San Diego Country Estates, CA - 7 km (5 miles) SE (124 degrees)
Ramona, CA - 16 km (10 miles) ESE (120 degrees)
Alpine, CA - 16 km (10 miles) NNE (17 degrees)
Julian, CA - 16 km (10 miles) SW (222 degrees)
Lakeside, CA - 23 km (14 miles) ENE (57 degrees)
Coordinates 32 deg. 58.2 min. N (32.970N), 116 deg. 43.1 min. W (116.718W)
Depth 13.08 km (8.10 miles)
Quality Good
Location Quality Parameters Nst=59, Nph=107, Dmin=12.4 km, Rmss=0.19 sec, Erho=0.16 km, Erzz=0.46 km, Gp=30 degrees
Event ID# ci41147399
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