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 1:19:39 PM (PDT) on Thursday, August 21, 2025.
The magnitude 1.5 event occurred 17 km (10 miles) WNW of Ocotillo, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Thursday, August 21, 2025 at 1:19:39 PM (PDT)
Thursday, August 21, 2025 at 20:19:39 (UTC)
Distance from Ocotillo, CA - 17 km (10 miles) WNW (298 degrees)
Pine Valley, CA - 35 km (22 miles) E (93 degrees)
Campo, CA - 37 km (23 miles) NE (53 degrees)
Ocotillo Wells, CA - 37 km (23 miles) S (183 degrees)
Julian, CA - 52 km (32 miles) SE (126 degrees)
Coordinates 32 deg. 48.4 min. N (32.807N), 116 deg. 9.1 min. W (116.151W)
Depth 10.42 km (6.50 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=70, Dmin=5.3 km, Rmss=0.17 sec, Erho=0.19 km, Erzz=0.42 km, Gp=63 degrees
Event ID# ci41271264
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