2025-05-28 00:19:39 (M4.2) Antofagasta, Chile -23.6 -68.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 28 May 2025 00:19:39 Time near the Epicenter (1): 27 May 2025 20:19:39 Time in your area (1): 27 May 2025 16:19:39
Location	23.596S 68.050W
Depth	140 km
Distances	77.4 km (48.0 mi) SSE of San Pedro de Atacama, Chile 154.7 km (95.9 mi) SE of Calama, Chile 239.4 km (148.4 mi) E of Antofagasta, Chile 251.1 km (155.7 mi) ESE of Mejillones, Chile 276.2 km (171.3 mi) SE of Tocopilla, Chile
Location Uncertainty	Horizontal: 5.0 km; Vertical 6.9 km
Parameters	Nph = 26; Dmin = 72.5 km; Rmss = 0.66 seconds; Gp = 80° Version =
Event ID	us 6000qgaw

(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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