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 11:38:33 PM (PDT) on Monday, October 20, 2025.
The magnitude 0.8 event occurred 18 km (11 miles) N (2 degrees) of Borrego Springs, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Monday, October 20, 2025 at 11:38:33 PM (PDT)
Tuesday, October 21, 2025 at 6:38:33 (UTC)
Distance from Borrego Springs, CA - 18 km (11 miles) N (2 degrees)
Oasis, CA - 26 km (16 miles) WSW (258 degrees)
La Quinta, CA - 28 km (17 miles) S (191 degrees)
Warner Springs, CA - 29 km (18 miles) ENE (58 degrees)
Anza, CA - 32 km (20 miles) ESE (118 degrees)
Coordinates 33 deg. 25.0 min. N (33.417N), 116 deg. 22.1 min. W (116.369W)
Depth 12.20 km (7.60 miles)
Quality Good
Location Quality Parameters Nst=52, Nph=94, Dmin=8.2 km, Rmss=0.18 sec, Erho=0.17 km, Erzz=0.45 km, Gp=38 degrees
Event ID# ci41112111
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