2023-12-11 03:01:29 (M4.3) Antofagasta, Chile -23.3 -68.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 11 Dec 2023 03:01:30 Time near the Epicenter (1): 10 Dec 2023 23:01:30 Time in your area (1): 10 Dec 2023 19:01:30
Location	23.259S 68.091W
Depth	132 km
Distances	40.2 km (24.9 mi) SSE of San Pedro de Atacama, Chile 123.3 km (76.5 mi) SE of Calama, Chile 239.5 km (148.5 mi) E of Antofagasta, Chile 241.9 km (150.0 mi) E of Mejillones, Chile 252.2 km (156.4 mi) ESE of Tocopilla, Chile
Location Uncertainty	Horizontal: 7.5 km; Vertical 4.8 km
Parameters	Nph = 23; Dmin = 35.3 km; Rmss = 0.50 seconds; Gp = 103° Version =
Event ID	us 7000li0i

(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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