Due to the subduction of Pacific Plate at late Palaeocene, the western part of Japan Sea was pulled-apart.

古新世晚期由于太平洋板块洋脊俯冲，日本海(西部)第一次拉张。

youdao

Due to the subduction of Pacific Plate at late Palaeocene, the western part of Japan Sea was pulled-apart.

古新世晚期由于太平洋板块洋脊俯冲，日本海(西部)第一次拉张。

youdao