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 9:03:10 PM (PST) on Friday, December 5, 2025.
The magnitude 2.7 event occurred 49 km (30 miles) SW of Primo Tapia, B.C., MX.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 2.7 - local magnitude (Ml)
Time Friday, December 5, 2025 at 9:03:10 PM (PST)
Saturday, December 6, 2025 at 5:03:10 (UTC)
Distance from Primo Tapia, B.C., MX - 49 km (30 miles) SW (232 degrees)
Rosarito, B.C., MX - 50 km (31 miles) SSW (213 degrees)
El Sauzal, B.C., MX - 61 km (38 miles) W (276 degrees)
Ensenada, B.C., MX - 67 km (42 miles) W (278 degrees)
Tijuana, B.C., MX - 70 km (44 miles) SSW (204 degrees)
Coordinates 31 deg. 57.2 min. N (31.953N), 117 deg. 19.5 min. W (117.326W)
Depth 10.34 km (6.40 miles)
Quality Fair
Location Quality Parameters Nst=12, Nph=22, Dmin=51.7 km, Rmss=0.12 sec, Erho=0.54 km, Erzz=1.33 km, Gp=256 degrees
Event ID# ci41133871
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