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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 10:37:03 PM (PDT) on Thursday, October 30, 2025.
The magnitude 1.7 event occurred 9 km (5 miles) SSW of Holtville, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Thursday, October 30, 2025 at 10:37:03 PM (PDT)
Friday, October 31, 2025 at 5:37:03 (UTC)
Distance from Holtville, CA - 9 km (5 miles) SSW (210 degrees)
Heber, CA - 10 km (6 miles) E (82 degrees)
Calexico, CA - 10 km (6 miles) NE (43 degrees)
Mexicali, B.C., MX - 11 km (7 miles) NNE (21 degrees)
El Centro, CA - 13 km (8 miles) ESE (112 degrees)
Coordinates 32 deg. 44.6 min. N (32.743N), 115 deg. 25.6 min. W (115.427W)
Depth 10.94 km (6.80 miles)
Quality Good
Location Quality Parameters Nst=34, Nph=52, Dmin=7.2 km, Rmss=0.27 sec, Erho=0.38 km, Erzz=0.58 km, Gp=61 degrees
Event ID# ci41323064
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