2023-10-21 08:33:40 (M4.3) Antofagasta, Chile -22.8 -68.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 21 Oct 2023 08:33:41 Time near the Epicenter (1): 21 Oct 2023 04:33:41 Time in your area (1): 21 Oct 2023 00:33:41
Location	22.811S 68.519W
Depth	123 km
Distances	34.4 km (21.3 mi) WNW of San Pedro de Atacama, Chile 57.2 km (35.5 mi) SE of Calama, Chile 190.3 km (118.0 mi) ESE of Tocopilla, Chile 200.3 km (124.2 mi) E of Mejillones, Chile 213.5 km (132.4 mi) ENE of Antofagasta, Chile
Location Uncertainty	Horizontal: 7.6 km; Vertical 6.4 km
Parameters	Nph = 22; Dmin = 38.3 km; Rmss = 0.71 seconds; Gp = 66° Version =
Event ID	us 6000lh4h

(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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