2026-08-01 11:07:20 (M5.1) Tristan da Cunha region -39.5 -16.0 (70fa9)

M5.1 Earthquake - Tristan da Cunha region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 1 Aug 2026 11:07:21 Time near the Epicenter (1): 1 Aug 2026 10:07:21 Time in your area (1): 1 Aug 2026 16:37:21
Location	39.534S 15.961W
Depth	10 km
Distances	420.5 km (260.7 mi) SW of Edinburgh of the Seven Seas, Saint Helena 3069.1 km (1902.9 mi) ESE of Arraial do Cabo, Brazil 3074.7 km (1906.3 mi) ESE of Armação de Búzios, Brazil 3075.0 km (1906.5 mi) ESE of Cabo Frio, Brazil 3084.3 km (1912.3 mi) ESE of São Pedro da Aldeia, Brazil
Location Uncertainty	Horizontal: 11.2 km; Vertical 1.9 km
Parameters	Nph = 35; Dmin = 420.3 km; Rmss = 0.75 seconds; Gp = 75° Version =
Event ID	us 6000thg5

(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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