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 event has been reviewed by a seismologist.

A micro earthquake occurred at 1:38:18 AM (PDT) on Thursday, September 4, 2025.
The magnitude 2.1 event occurred 92 km (57 miles) SSW of Alberto Oviedo Mota, B.C., MX.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 2.1 - local magnitude (Ml)
Time Thursday, September 4, 2025 at 1:38:18 AM (PDT)
Thursday, September 4, 2025 at 8:38:18 (UTC)
Distance from Alberto Oviedo Mota, B.C., MX - 92 km (57 miles) SSW (207 degrees)
Maneadero, B.C., MX - 95 km (59 miles) ESE (106 degrees)
Estacion Coahuila, B.C., MX - 97 km (60 miles) SW (216 degrees)
Guadalupe Victoria, B.C., MX - 101 km (63 miles) SSW (208 degrees)
Delta, B.C., MX - 104 km (65 miles) SSW (202 degrees)
Coordinates 31 deg. 29.1 min. N (31.485N), 115 deg. 36.3 min. W (115.605W)
Depth 10.30 km (6.40 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=14, Dmin=19.9 km, Rmss=0.11 sec, Erho=0.27 km, Erzz=0.94 km, Gp=148 degrees
Event ID# ci41282832
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