South Korea has two volcanic islands?�Jeju, off the peninsula?�s southern suggestion, and Ulleung, about 85 miles (a hundred and forty km) east from the mainland during the East Sea?�and a little-scale lava plateau in Gangwon province.?�주?� 역?��? ?�연?� 어?�러진 도?�로, ?�양?� 매?�을 지?� 여?��