2026-02-16 17:32:55 UPDATED: (M5.5) southern Mid-Atlantic Ridge -17.7 -13.2 (70fa9)

M5.5 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 16 Feb 2026 17:32:55 Time near the Epicenter (1): 16 Feb 2026 16:32:55 Time in your area (1): 16 Feb 2026 23:02:55
Location	17.742S 13.245W
Depth	10 km
Distances	826.7 km (512.6 mi) WSW of Jamestown, Saint Helena 1093.0 km (677.7 mi) S of Georgetown, Saint Helena 2521.0 km (1563.0 mi) SSW of Harper, Liberia 2535.6 km (1572.0 mi) SSW of Tabou, Ivory Coast 2558.7 km (1586.4 mi) S of Greenville, Liberia
Location Uncertainty	Horizontal: 9.1 km; Vertical 1.8 km
Parameters	Nph = 55; Dmin = 822.4 km; Rmss = 0.70 seconds; Gp = 62° Version =
Event ID	us 6000s9ii ***This event has been revised.

(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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