2023-03-11 14:50:02 (M4.8) Ascension Island region -7.0 -12.5 (1cbfb)

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M4.8 Earthquake - Ascension Island region

Preliminary Report
Magnitude 4.8
Date-Time
  • Universal Time (UTC): 11 Mar 2023 14:50:03
  • Time near the Epicenter (1): 11 Mar 2023 14:50:03
  • Time in your area (1): 11 Mar 2023 06:50:03
Location 7.048S 12.467W
Depth 10 km
Distances
  • 235.7 km (146.1 mi) ENE of Georgetown, Saint Helena
  • 1369.6 km (849.2 mi) SSW of Harper, Liberia
  • 1386.9 km (859.9 mi) SSW of Greenville, Liberia
  • 1389.9 km (861.8 mi) SSW of Tabou, Ivory Coast
  • 1454.3 km (901.7 mi) S of Buchanan, Liberia
Location Uncertainty Horizontal: 11.2 km; Vertical 1.9 km
Parameters Nph = 16; Dmin = 230.4 km; Rmss = 1.13 seconds; Gp = 92°
Version =
Event ID us 7000jj53

(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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