Invasion

Invasion Description

None

Geographic Extent

Shirikishinai, Hokkaido/Japan/Pacific Ocean (Imajima 1966b); Cape Shiriyazaki, Honshu/Japan/Tsugaru Strait, Pacific Ocean (Imajima 1966b); Asamushi/Honshu/Japan/Mutsun Bay Pacific Ocean (Imajima 1966b); Onagawa, Honsu/Japan/Pacific Ocean (Imajima 1966b)