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 11:26:59 PM (PDT) on Sunday, August 17, 2025.
The magnitude 0.8 event occurred 23 km (14 miles) ESE of Julian, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Sunday, August 17, 2025 at 11:26:59 PM (PDT)
Monday, August 18, 2025 at 6:26:59 (UTC)
Distance from Julian, CA - 23 km (14 miles) ESE (107 degrees)
Ocotillo Wells, CA - 26 km (16 miles) WSW (237 degrees)
Pine Valley, CA - 27 km (17 miles) NE (36 degrees)
Borrego Springs, CA - 27 km (17 miles) S (178 degrees)
San Diego Country Estates, CA - 39 km (24 miles) E (88 degrees)
Coordinates 33 deg. 1.0 min. N (33.016N), 116 deg. 21.8 min. W (116.363W)
Depth 3.65 km (2.30 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=58, Dmin=6.6 km, Rmss=0.19 sec, Erho=0.22 km, Erzz=0.52 km, Gp=47 degrees
Event ID# ci40401650
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