2026-04-27 11:37:40 (M4.3) Tarapaca-Antofagasta border region, Chile -21.1 -69.1 (90be5)

M4.3 Earthquake - Tarapaca-Antofagasta border region, Chile

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 27 Apr 2026 11:37:41 Time near the Epicenter (1): 27 Apr 2026 07:37:41 Time in your area (1): 27 Apr 2026 03:37:41
Location	21.123S 69.127W
Depth	111 km
Distances	91.5 km (56.7 mi) W of Ollagüe, Chile 139.0 km (86.2 mi) SE of Alto Hospicio, Chile 139.5 km (86.5 mi) SE of La Tirana, Chile 142.8 km (88.5 mi) SE of Playa Brava, Chile 146.6 km (90.9 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 5.2 km; Vertical 5.5 km
Parameters	Nph = 49; Dmin = 75.5 km; Rmss = 0.93 seconds; Gp = 57° Version =
Event ID	us 6000st4g

(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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