7.1mw

39 km S of Akutan, Alaska

22.03.1957 14:21 UTC Depth 46.6 km
Sensitivity zones: strong — up to 55.9 km moderate — up to 139.9 km weak — up to 310.8 km

Sensitivity zones

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

  • strong — up to 55.9 km
  • moderate — up to 139.9 km
  • weak — up to 310.8 km

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