2026-06-21 22:04:16 (M5.4) central Mid-Atlantic Ridge 1.0 -27.9 (70fa9)

M5.4 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 21 Jun 2026 22:04:17 Time near the Epicenter (1): 21 Jun 2026 20:04:17 Time in your area (1): 22 Jun 2026 03:34:17
Location	0.978N 27.910W
Depth	10 km
Distances	731.1 km (453.3 mi) NE of Fernando de Noronha (Distrito Estadual), Brazil 1093.1 km (677.7 mi) NE of São Miguel, Brazil 1104.1 km (684.6 mi) NE of Natal, Brazil 1105.5 km (685.4 mi) NE of Extremoz, Brazil 1110.2 km (688.3 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 11.4 km; Vertical 1.9 km
Parameters	Nph = 50; Dmin = 1162.8 km; Rmss = 0.72 seconds; Gp = 102° Version =
Event ID	us 7000sv7m

(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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