2026-09-04 23:38:40 (M5.1) central Mid-Atlantic Ridge 9.5 -40.8 (70fa9)

M5.1 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 4 Sep 2026 23:38:41 Time near the Epicenter (1): 4 Sep 2026 20:38:41 Time in your area (1): 5 Sep 2026 05:08:41
Location	9.467N 40.847W
Depth	10 km
Distances	1312.5 km (813.7 mi) NNE of Carutapera, Brazil 1317.1 km (816.6 mi) NNE of Viseu, Brazil 1325.5 km (821.8 mi) NNE of Augusto Corrêa, Brazil 1326.2 km (822.3 mi) NNE of Cururupu, Brazil 1380.8 km (856.1 mi) NNE of São Luís, Brazil
Location Uncertainty	Horizontal: 10.1 km; Vertical 1.9 km
Parameters	Nph = 85; Dmin = 1387.1 km; Rmss = 1.18 seconds; Gp = 38° Version =
Event ID	us 7000tefw

(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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