2021-05-15 21:42:58 (M4.9) Ascension Island region -5.7 -11.5 (1cbfb)

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M4.9 Earthquake - Ascension Island region

Preliminary Report
Magnitude 4.9
Date-Time
  • 15 May 2021 21:42:58 UTC
  • 15 May 2021 20:42:58 near epicenter
  • 15 May 2021 13:42:58 standard time in your timezone
Location 5.660S 11.455W
Depth 10 km
Distances
  • 412.0 km (255.4 mi) NE of Georgetown, Saint Helena
  • 1185.5 km (735.0 mi) SSW of Harper, Liberia
  • 1204.7 km (746.9 mi) SSW of Tabou, Ivory Coast
  • 1210.2 km (750.3 mi) SSW of Greenville, Liberia
  • 1269.5 km (787.1 mi) SSW of San-P�dro, Ivory Coast
Location Uncertainty Horizontal: 10.6 km; Vertical 1.9 km
Parameters Nph = 72; Dmin = 1297.5 km; Rmss = 0.63 seconds; Gp = 55°
Version =
Event ID us 7000e3g2

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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