2018-10-09 19:05:42 (M5.4) southern Mid-Atlantic Ridge -23.6 -13.4 (70fa9)

M5.4 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	9 Oct 2018 19:05:43 UTC 9 Oct 2018 18:05:43 near epicenter 10 Oct 2018 00:35:43 standard time in your timezone
Location	23.618S 13.418W
Depth	10 km
Distances	1171.6 km (726.4 mi) SW of Jamestown, Saint Helena 1494.8 km (926.8 mi) N of Edinburgh of the Seven Seas, Saint Helena 2771.7 km (1718.4 mi) E of Nova Vi�osa, Brazil 2775.5 km (1720.8 mi) E of Prado, Brazil 2783.3 km (1725.7 mi) E of Mucuri, Brazil
Location Uncertainty	Horizontal: 11.5 km; Vertical 1.8 km
Parameters	Nph = 108; Dmin = 3108.0 km; Rmss = 0.74 seconds; Gp = 61° Version =
Event ID	us 1000h9kf

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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