2023-02-18 19:55:20 (M4.6) South Sandwich Islands region -55.6 -28.2 (1cbfb)

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M4.6 Earthquake - South Sandwich Islands region

Preliminary Report
Magnitude 4.6
Date-Time
  • Universal Time (UTC): 18 Feb 2023 19:55:21
  • Time near the Epicenter (1): 18 Feb 2023 17:55:21
  • Time in your area (1): 18 Feb 2023 11:55:21
Location 55.579S 28.186W
Depth 35 km
Distances
  • 2380.7 km (1476.0 mi) SW of Edinburgh of the Seven Seas, Saint Helena
  • 2521.3 km (1563.2 mi) ENE of Ushuaia, Argentina
  • 2522.3 km (1563.8 mi) ENE of R�o Grande, Argentina
  • 2710.7 km (1680.7 mi) E of R�o Gallegos, Argentina
  • 2711.5 km (1681.1 mi) E of Puerto Deseado, Argentina
Location Uncertainty Horizontal: 13.2 km; Vertical 1.9 km
Parameters Nph = 12; Dmin = 551.7 km; Rmss = 0.66 seconds; Gp = 98°
Version =
Event ID us 6000jpyx

(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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