2023-06-30 18:46:23 (M4.6) northern Mid-Atlantic Ridge 45.0 -28.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 30 Jun 2023 18:46:23 Time near the Epicenter (1): 30 Jun 2023 16:46:23 Time in your area (1): 30 Jun 2023 10:46:23
Location	45.033N 27.974W
Depth	10 km
Distances	660.6 km (409.6 mi) N of Santa Cruz da Graciosa, Portugal 711.2 km (441.0 mi) N of Angra do Hero�smo, Portugal 832.6 km (516.2 mi) NNW of Ponta Delgada, Portugal 833.9 km (517.0 mi) NNW of Lagoa, Portugal 1548.5 km (960.1 mi) W of Santa Comba, Spain
Location Uncertainty	Horizontal: 11.3 km; Vertical 1.9 km
Parameters	Nph = 96; Dmin = 833.2 km; Rmss = 1.20 seconds; Gp = 50° Version =
Event ID	us 6000kp9u

(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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