7.5ms

25 km NW of Saint John’s, Antigua and Barbuda

08.10.1974 09:50 UTC Depth 47 km
Sensitivity zones: strong — up to 91.6 km moderate — up to 228.9 km weak — up to 508.7 km

Sensitivity zones

Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:

  • strong — up to 91.6 km
  • moderate — up to 228.9 km
  • weak — up to 508.7 km

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