2023-08-15 23:40:20 (M4.9) central Mid-Atlantic Ridge 0.8 -29.7 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 15 Aug 2023 23:40:21 Time near the Epicenter (1): 15 Aug 2023 21:40:21 Time in your area (1): 15 Aug 2023 15:40:21
Location	0.783N 29.680W
Depth	10 km
Distances	594.6 km (368.7 mi) NNE of Fernando de Noronha (Distrito Estadual), Brazil 936.6 km (580.7 mi) NE of São Miguel, Brazil 951.8 km (590.1 mi) NE of Extremoz, Brazil 952.2 km (590.4 mi) NE of Natal, Brazil 954.7 km (591.9 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 12.6 km; Vertical 1.9 km
Parameters	Nph = 32; Dmin = 1005.1 km; Rmss = 0.91 seconds; Gp = 95° Version =
Event ID	us 7000knkc

(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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