2023-12-08 17:43:03 (M4.5) Chile-Argentina border region -25.3 -69.0 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.5 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 8 Dec 2023 17:43:03 Time near the Epicenter (1): 8 Dec 2023 13:43:03 Time in your area (1): 8 Dec 2023 09:43:03
Location	25.289S 68.994W
Depth	110 km
Distances	150.7 km (93.4 mi) E of Taltal, Chile 161.2 km (100.0 mi) NE of Diego de Almagro, Chile 230.3 km (142.8 mi) SE of Antofagasta, Chile 266.1 km (165.0 mi) NNE of Copiapó, Chile 283.8 km (176.0 mi) SSE of Mejillones, Chile
Location Uncertainty	Horizontal: 7.3 km; Vertical 6.2 km
Parameters	Nph = 57; Dmin = 61.6 km; Rmss = 1.03 seconds; Gp = 45° Version =
Event ID	us 7000lhjs

(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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