2025-11-07 23:21:00 (M5.0) southern Mid-Atlantic Ridge -17.5 -16.1 (70fa9)

M5.0 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 7 Nov 2025 23:21:00 Time near the Epicenter (1): 7 Nov 2025 22:21:00 Time in your area (1): 8 Nov 2025 04:51:00
Location	17.524S 16.110W
Depth	10 km
Distances	1077.4 km (668.0 mi) S of Georgetown, Saint Helena 2271.1 km (1408.1 mi) ESE of São José da Coroa Grande, Brazil 2272.7 km (1409.1 mi) ESE of Maragogi, Brazil 2273.5 km (1409.6 mi) ESE of Tamandaré, Brazil 2278.8 km (1412.9 mi) ESE of Barreiros, Brazil
Location Uncertainty	Horizontal: 7.5 km; Vertical 1.8 km
Parameters	Nph = 50; Dmin = 1076.9 km; Rmss = 0.70 seconds; Gp = 59° Version =
Event ID	us 6000rm79

(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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