8.6mw
1957 Atka, Alaska Earthquake
Sensitivity zones:
strong — up to 374.2 km
moderate — up to 935.5 km
weak — up to 2078.8 km
Sensitivity zones
Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:
- strong — up to 374.2 km
- moderate — up to 935.5 km
- weak — up to 2078.8 km
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