2023-03-09 21:30:00 (M4.2) Antofagasta, Chile -23.1 -69.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.2 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 9 Mar 2023 21:30:00 Time near the Epicenter (1): 9 Mar 2023 17:30:00 Time in your area (1): 9 Mar 2023 13:30:00
Location	23.103S 69.352W
Depth	98 km
Distances	84.0 km (52.1 mi) SSW of Calama, Chile 122.8 km (76.2 mi) ENE of Antofagasta, Chile 141.8 km (87.9 mi) SE of Tocopilla, Chile 280.0 km (173.6 mi) NNE of Taltal, Chile 330.5 km (204.9 mi) SSE of Iquique, Chile
Location Uncertainty	Horizontal: 5.6 km; Vertical 6.8 km
Parameters	Nph = 32; Dmin = 49.4 km; Rmss = 1.15 seconds; Gp = 120° Version =
Event ID	us 7000jimb

(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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