2023-06-23 15:51:28 (M4.4) northern Mid-Atlantic Ridge 45.0 -28.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 23 Jun 2023 15:51:29 Time near the Epicenter (1): 23 Jun 2023 13:51:29 Time in your area (1): 23 Jun 2023 07:51:29
Location	45.002N 28.062W
Depth	10 km
Distances	657.1 km (407.4 mi) N of Santa Cruz da Graciosa, Portugal 708.4 km (439.2 mi) N of Angra do Hero�smo, Portugal 830.9 km (515.2 mi) NNW of Ponta Delgada, Portugal 832.3 km (516.0 mi) NNW of Lagoa, Portugal 1555.4 km (964.3 mi) W of Santa Comba, Spain
Location Uncertainty	Horizontal: 8.8 km; Vertical 1.9 km
Parameters	Nph = 36; Dmin = 831.6 km; Rmss = 0.45 seconds; Gp = 55° Version =
Event ID	us 7000kamx

(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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