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 5:14:13 PM (PDT) on Monday, August 18, 2025.
The magnitude 0.9 event occurred 20 km (13 miles) NE (38 degrees) of Pine Valley, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Monday, August 18, 2025 at 5:14:13 PM (PDT)
Tuesday, August 19, 2025 at 0:14:13 (UTC)
Distance from Pine Valley, CA - 20 km (13 miles) NE (38 degrees)
Julian, CA - 23 km (14 miles) ESE (123 degrees)
Ocotillo Wells, CA - 31 km (20 miles) SW (231 degrees)
Borrego Springs, CA - 32 km (20 miles) S (183 degrees)
San Diego Country Estates, CA - 37 km (23 miles) E (97 degrees)
Coordinates 32 deg. 58.0 min. N (32.966N), 116 deg. 23.7 min. W (116.394W)
Depth 5.84 km (3.60 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=61, Dmin=1.7 km, Rmss=0.17 sec, Erho=0.17 km, Erzz=0.38 km, Gp=38 degrees
Event ID# ci40402346
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