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 4:30:56 PM (PDT) on Tuesday, August 19, 2025.
The magnitude 1.1 event occurred 20 km (13 miles) NE (38 degrees) of Pine Valley, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Tuesday, August 19, 2025 at 4:30:56 PM (PDT)
Tuesday, August 19, 2025 at 23:30:56 (UTC)
Distance from Pine Valley, CA - 20 km (13 miles) NE (38 degrees)
Julian, CA - 23 km (14 miles) ESE (123 degrees)
Borrego Springs, CA - 32 km (20 miles) S (183 degrees)
Ocotillo Wells, CA - 32 km (20 miles) SW (231 degrees)
San Diego Country Estates, CA - 37 km (23 miles) E (97 degrees)
Coordinates 32 deg. 57.9 min. N (32.965N), 116 deg. 23.7 min. W (116.395W)
Depth 6.16 km (3.80 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=66, Dmin=1.6 km, Rmss=0.15 sec, Erho=0.15 km, Erzz=0.33 km, Gp=33 degrees
Event ID# ci40403434
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