2023-11-03 10:17:34 (M4.9) northern Mid-Atlantic Ridge 10.6 -40.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 3 Nov 2023 10:17:35 Time near the Epicenter (1): 3 Nov 2023 07:17:35 Time in your area (1): 3 Nov 2023 02:17:35
Location	10.578N 40.925W
Depth	10 km
Distances	1398.5 km (867.1 mi) ENE of Rémire-Montjoly, French Guiana 1404.2 km (870.6 mi) ENE of Cayenne, French Guiana 1407.5 km (872.7 mi) ENE of Matoury, French Guiana 1420.3 km (880.6 mi) NNE of Carutapera, Brazil 1497.0 km (928.2 mi) NNE of São Luís, Brazil
Location Uncertainty	Horizontal: 10.9 km; Vertical 1.9 km
Parameters	Nph = 36; Dmin = 1425.0 km; Rmss = 0.49 seconds; Gp = 64° Version =
Event ID	us 7000l8k7

(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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