2017-12-16 14:38:00 (M5.5) central Mid-Atlantic Ridge 0.9 -27.6 (70fa9)

M5.5 - central Mid-Atlantic Ridge

Preliminary Earthquake Report

Magnitude	5.5
Date-Time	16 Dec 2017 14:38:00 UTC 16 Dec 2017 14:38:00 near epicenter 16 Dec 2017 20:08:00 standard time in your timezone
Location	0.915N 27.588W
Depth	10 km
Distances	751.3 km (465.8 mi) NE of Fernando de Noronha (Distrito Estadual), Brazil 1116.2 km (692.0 mi) NE of São Miguel, Brazil 1126.2 km (698.2 mi) NE of Natal, Brazil 1127.9 km (699.3 mi) NE of Extremoz, Brazil 1133.0 km (702.4 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 5.8 km; Vertical 1.9 km
Parameters	Nph = 60; Dmin = 1613.4 km; Rmss = 1.42 seconds; Gp = 91° Version =
Event ID	us 2000c58g

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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