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 6:33:56 PM (PDT) on Saturday, July 19, 2025.
The magnitude 1.7 event occurred 3 km (2 miles) WNW of Palomar Observatory, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Saturday, July 19, 2025 at 6:33:56 PM (PDT)
Sunday, July 20, 2025 at 1:33:56 (UTC)
Distance from Palomar Observatory, CA - 3 km (2 miles) WNW (303 degrees)
Aguanga, CA - 8 km (5 miles) SSW (196 degrees)
Pala, CA - 17 km (11 miles) E (88 degrees)
Lake Henshaw, CA - 19 km (12 miles) NW (320 degrees)
Valley Center, CA - 22 km (13 miles) NE (38 degrees)
Coordinates 33 deg. 22.2 min. N (33.370N), 116 deg. 53.4 min. W (116.890W)
Depth 5.32 km (3.30 miles)
Quality Good
Location Quality Parameters Nst=83, Nph=150, Dmin=3.1 km, Rmss=0.22 sec, Erho=0.14 km, Erzz=0.52 km, Gp=21 degrees
Event ID# ci41026687
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