2025-07-30 15:42:04 (M4.9) northern Mid-Atlantic Ridge 43.8 -28.6 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 30 Jul 2025 15:42:05 Time near the Epicenter (1): 30 Jul 2025 13:42:05 Time in your area (1): 30 Jul 2025 07:42:05
Location	43.827N 28.642W
Depth	10 km
Distances	527.6 km (327.1 mi) NNE of Santa Cruz das Flores, Portugal 586.6 km (363.7 mi) NNW of Angra do Heroísmo, Portugal 720.9 km (447.0 mi) NNW of Ponta Delgada, Portugal 723.2 km (448.4 mi) NNW of Lagoa, Portugal 1599.8 km (991.9 mi) W of Santa Uxía de Ribeira, Spain
Location Uncertainty	Horizontal: 10.0 km; Vertical 1.9 km
Parameters	Nph = 94; Dmin = 722.9 km; Rmss = 1.06 seconds; Gp = 56° Version =
Event ID	us 6000qwjm

(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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