2026-06-18 02:44:43 (M5.1) central Mid-Atlantic Ridge -0.3 -19.2 (70fa9)

M5.1 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 18 Jun 2026 02:44:43 Time near the Epicenter (1): 18 Jun 2026 01:44:43 Time in your area (1): 18 Jun 2026 08:14:43
Location	0.342S 19.203W
Depth	10 km
Distances	993.1 km (615.7 mi) NNW of Georgetown, Saint Helena 1144.5 km (709.6 mi) SW of Bonthe, Sierra Leone 1171.0 km (726.0 mi) SW of Goderich, Sierra Leone 1171.8 km (726.5 mi) SW of Robertsport, Liberia 1176.5 km (729.5 mi) SW of Waterloo, Sierra Leone
Location Uncertainty	Horizontal: 10.0 km; Vertical 1.9 km
Parameters	Nph = 69; Dmin = 995.6 km; Rmss = 0.97 seconds; Gp = 49° Version =
Event ID	us 7000su8c

(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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