2021-08-14 12:08:39 UPDATED: (M5.4) northern Mid-Atlantic Ridge 28.1 -43.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M5.4 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	14 Aug 2021 12:08:40 UTC 14 Aug 2021 09:08:40 near epicenter 14 Aug 2021 04:08:40 standard time in your timezone
Location	28.096N 43.915W
Depth	10 km
Distances	1716.6 km (1064.3 mi) SW of Lajes das Flores, Portugal 1940.3 km (1203.0 mi) SW of Angra do Hero�smo, Portugal 2008.5 km (1245.3 mi) SW of Ponta Delgada, Portugal 2016.4 km (1250.2 mi) SW of Lagoa, Portugal 2203.4 km (1366.1 mi) ENE of Saint John�s, Antigua and Barbuda
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.8 km
Parameters	Nph = 111; Dmin = 2021.0 km; Rmss = 0.91 seconds; Gp = 69° Version =
Event ID	us 6000f65c ***This event has been revised.

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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