The Korea Strait is a sea passage between Japan and South Korea, connecting the East China Sea and the Sea of Japan (East Sea) in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the western channel and the Tsushima Strait (eastern channel).
== Geography ==
To the north it is bounded by the southern coast of the Korean Peninsula, and to the south by the southwestern Japanese islands of Kyūshū and Honshū. It is about 200 km (120 mi) wide and averages about 90 to 100 meters (300 ft) deep.
Tsushima Island divides the Korea Strait into the western channel and the Tsushima...