2018-10-17 03:57:24 (M5.4) southern Mid-Atlantic Ridge -43.7 -16.4 (70fa9)

M5.4 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	17 Oct 2018 03:57:25 UTC 17 Oct 2018 02:57:25 near epicenter 17 Oct 2018 09:27:25 standard time in your timezone
Location	43.676S 16.401W
Depth	10 km
Distances	811.6 km (503.2 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 3182.2 km (1973.0 mi) W of Retreat, South Africa 3185.2 km (1974.8 mi) W of Cape Town, South Africa 3185.5 km (1975.0 mi) W of Claremont, South Africa 3187.3 km (1976.2 mi) W of Rondebosch, South Africa
Location Uncertainty	Horizontal: 11.8 km; Vertical 1.8 km
Parameters	Nph = 131; Dmin = 1875.2 km; Rmss = 0.86 seconds; Gp = 64° Version =
Event ID	us 1000hd7h

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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