2026-05-20 17:43:02 (M6.6) southern East Pacific Rise -56.0 -122.3 (70fa9)

M6.6 Earthquake - southern East Pacific Rise

Preliminary Report

Magnitude	6.6
Date-Time	Universal Time (UTC): 20 May 2026 17:43:02 Time near the Epicenter (1): 20 May 2026 10:43:02 Time in your area (1): 20 May 2026 23:13:02
Location	56.030S 122.260W
Depth	10 km
Distances	3234.1 km (2005.2 mi) WNW of Puerto Natales, Chile 3257.3 km (2019.5 mi) WNW of Punta Arenas, Chile 3330.9 km (2065.2 mi) WNW of Ushuaia, Argentina 3415.9 km (2117.9 mi) WNW of Río Grande, Argentina 3439.1 km (2132.2 mi) WNW of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 160; Dmin = 3051.4 km; Rmss = 0.87 seconds; Gp = 62° Version =
Event ID	us 6000sz1d

(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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