2025-06-21 20:02:46 (M4.9) central Mid-Atlantic Ridge 2.9 -31.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 21 Jun 2025 20:02:47 Time near the Epicenter (1): 21 Jun 2025 18:02:47 Time in your area (1): 21 Jun 2025 12:02:47
Location	2.886N 31.238W
Depth	10 km
Distances	755.1 km (468.1 mi) N of Fernando de Noronha (Distrito Estadual), Brazil 1031.4 km (639.4 mi) NNE of São Miguel, Brazil 1050.9 km (651.5 mi) NNE of Ceará Mirim, Brazil 1052.2 km (652.4 mi) NNE of Extremoz, Brazil 1056.6 km (655.1 mi) NNE of Natal, Brazil
Location Uncertainty	Horizontal: 10.3 km; Vertical 1.9 km
Parameters	Nph = 51; Dmin = 1092.9 km; Rmss = 0.57 seconds; Gp = 46° Version =
Event ID	us 6000qlnn

(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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