2021-12-21 06:15:13 (M4.9) central Mid-Atlantic Ridge 7.1 -34.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	21 Dec 2021 06:15:13 UTC 21 Dec 2021 04:15:13 near epicenter 20 Dec 2021 22:15:13 standard time in your timezone
Location	7.098N 34.439W
Depth	10 km
Distances	1230.3 km (762.8 mi) N of Fernando de Noronha (Distrito Estadual), Brazil 1266.6 km (785.3 mi) NNE of Trairi, Brazil 1269.0 km (786.8 mi) NNE of Paracuru, Brazil 1271.6 km (788.4 mi) NNE of Acara�, Brazil 1279.9 km (793.5 mi) NNE of Fortaleza, Brazil
Location Uncertainty	Horizontal: 4.8 km; Vertical 1.9 km
Parameters	Nph = 51; Dmin = 1437.0 km; Rmss = 0.49 seconds; Gp = 71° Version =
Event ID	us 6000ge3p

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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