2025-12-30 13:20:50 (M4.2) Catamarca, Argentina -28.0 -66.7 (90be5)

M4.2 Earthquake - Catamarca, Argentina

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 30 Dec 2025 13:20:50 Time near the Epicenter (1): 30 Dec 2025 10:20:50 Time in your area (1): 30 Dec 2025 05:20:50
Location	27.954S 66.662W
Depth	153 km
Distances	53.5 km (33.2 mi) ESE of Londres, Argentina 53.5 km (33.2 mi) SW of Andalgalá, Argentina 70.6 km (43.8 mi) N of Arauco, Argentina 89.6 km (55.6 mi) E of Tinogasta, Argentina 103.3 km (64.0 mi) NW of Catamarca, Argentina
Location Uncertainty	Horizontal: 8.2 km; Vertical 8.3 km
Parameters	Nph = 37; Dmin = 370.2 km; Rmss = 0.74 seconds; Gp = 71° Version =
Event ID	us 7000rlig

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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