2025-12-27 10:40:49 (M5.6) Santiago del Estero, Argentina -28.3 -63.2 (70fa9)

M5.6 Earthquake - Santiago del Estero, Argentina

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 27 Dec 2025 10:40:50 Time near the Epicenter (1): 27 Dec 2025 07:40:50 Time in your area (1): 27 Dec 2025 16:10:50
Location	28.270S 63.155W
Depth	588 km
Distances	37.9 km (23.5 mi) NW of Añatuya, Argentina 100.3 km (62.2 mi) SW of Quimilí, Argentina 120.8 km (74.9 mi) ESE of Santiago del Estero, Argentina 172.3 km (106.8 mi) NW of Tostado, Argentina 188.6 km (116.9 mi) ESE of Termas de Río Hondo, Argentina
Location Uncertainty	Horizontal: 9.9 km; Vertical 7.5 km
Parameters	Nph = 96; Dmin = 472.4 km; Rmss = 0.74 seconds; Gp = 33° Version =
Event ID	us 7000rl1p

(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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