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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:01:22 AM (PDT) on Thursday, September 4, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) SSW of Progreso, B.C., MX.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Thursday, September 4, 2025 at 6:01:22 AM (PDT)
Thursday, September 4, 2025 at 13:01:22 (UTC)
Distance from Progreso, B.C., MX - 3 km (2 miles) SSW (201 degrees)
Mexicali, B.C., MX - 16 km (10 miles) SW (227 degrees)
Calexico, CA - 17 km (11 miles) SSW (213 degrees)
Heber, CA - 21 km (13 miles) SSW (198 degrees)
Puebla, B.C., MX - 23 km (14 miles) W (266 degrees)
Coordinates 32 deg. 33.0 min. N (32.551N), 115 deg. 35.8 min. W (115.597W)
Depth 10.92 km (6.80 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=35, Dmin=2.1 km, Rmss=0.19 sec, Erho=0.31 km, Erzz=0.45 km, Gp=76 degrees
Event ID# ci41282984
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