2023-09-28 00:14:00 (M4.9) central Mid-Atlantic Ridge 0.7 -26.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 28 Sep 2023 00:14:00 Time near the Epicenter (1): 27 Sep 2023 22:14:00 Time in your area (1): 27 Sep 2023 16:14:00
Location	0.744N 26.137W
Depth	10 km
Distances	862.6 km (534.8 mi) NE of Fernando de Noronha (Distrito Estadual), Brazil 1234.7 km (765.5 mi) NE of São Miguel, Brazil 1240.8 km (769.3 mi) NE of Natal, Brazil 1244.0 km (771.3 mi) NE of Extremoz, Brazil 1250.4 km (775.3 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 12.5 km; Vertical 1.9 km
Parameters	Nph = 25; Dmin = 1304.7 km; Rmss = 0.57 seconds; Gp = 99° Version =
Event ID	us 6000lb98

(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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