8.7mw
1965 Rat Islands Earthquake
Sensitivity zones:
strong — up to 405 km
moderate — up to 1012.6 km
weak — up to 2250.2 km
About this earthquake
One of the ten strongest earthquakes on record struck the uninhabited Rat Islands of the Aleutian arc. A tsunami up to 10 m high hit Shemya Island, but the region's remoteness meant no casualties and little damage.
Sensitivity zones
Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:
- strong — up to 405 km
- moderate — up to 1012.6 km
- weak — up to 2250.2 km
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