8.2mww
2021 Chignik, Alaska Earthquake
Sensitivity zones:
strong — up to 220.9 km
moderate — up to 552.2 km
weak — up to 1227 km
Sensitivity zones
Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:
- strong — up to 220.9 km
- moderate — up to 552.2 km
- weak — up to 1227 km
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