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 2:52:34 AM (PDT) on Sunday, July 27, 2025.
The magnitude 0.9 event occurred 7 km (4 miles) WSW of Palomar Observatory, CA.
The hypocentral depth is 20 km (13 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Sunday, July 27, 2025 at 2:52:34 AM (PDT)
Sunday, July 27, 2025 at 9:52:34 (UTC)
Distance from Palomar Observatory, CA - 7 km (4 miles) WSW (240 degrees)
Aguanga, CA - 14 km (9 miles) SSW (204 degrees)
Pala, CA - 15 km (9 miles) ESE (108 degrees)
Valley Center, CA - 16 km (10 miles) NE (40 degrees)
Lake Henshaw, CA - 18 km (11 miles) WNW (302 degrees)
Coordinates 33 deg. 19.5 min. N (33.325N), 116 deg. 55.6 min. W (116.926W)
Depth 20.35 km (12.60 miles)
Quality Good
Location Quality Parameters Nst=50, Nph=87, Dmin=6.7 km, Rmss=0.16 sec, Erho=0.17 km, Erzz=0.4 km, Gp=24 degrees
Event ID# ci41033487
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