2023-03-21 20:41:08 (M4.9) northern Mid-Atlantic Ridge 28.6 -43.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 21 Mar 2023 20:41:08 Time near the Epicenter (1): 21 Mar 2023 17:41:08 Time in your area (1): 21 Mar 2023 12:41:08
Location	28.606N 43.615W
Depth	10 km
Distances	741.0 km (459.4 mi) ESE of Alvorada, Brazil 1881.1 km (1166.3 mi) SW of Angra do Hero�smo, Portugal 1951.3 km (1209.8 mi) SW of Ponta Delgada, Portugal 1959.2 km (1214.7 mi) SW of Lagoa, Portugal 2244.1 km (1391.3 mi) SSE of Mount Pearl, Canada
Location Uncertainty	Horizontal: 11.6 km; Vertical 1.9 km
Parameters	Nph = 102; Dmin = 2667.4 km; Rmss = 0.62 seconds; Gp = 82° Version =
Event ID	us 7000jltc

(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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