2026-10-01 00:28:22 (M4.9) northern Mid-Atlantic Ridge 19.3 -43.0 (90be5)

M4.9 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 1 Oct 2026 00:28:23 Time near the Epicenter (1): 30 Sep 2026 21:28:23 Time in your area (1): 30 Sep 2026 16:28:23
Location	19.276N 43.035W
Depth	10 km
Distances	1876.8 km (1163.6 mi) NE of Sinnamary, French Guiana 1877.3 km (1163.9 mi) NE of Kourou, French Guiana 1878.1 km (1164.4 mi) NNE of Rémire-Montjoly, French Guiana 1880.4 km (1165.8 mi) NNE of Cayenne, French Guiana 1881.9 km (1166.7 mi) ENE of Crane, Barbados
Location Uncertainty	Horizontal: 13.3 km; Vertical 1.9 km
Parameters	Nph = 45; Dmin = 1880.5 km; Rmss = 0.71 seconds; Gp = 87° Version =
Event ID	us 6000tynp

(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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