Tags: Volcano.
Ulleung-do (also spelled Ulreungdo; Korean pronunciation: [ulːɯŋdo]) is a South Korean island far off the east coast of Korean Peninsula. Formerly known as Dagelet to the EuropeansUlleungdo is about 120 km (75 mi) east of the Korean Peninsula. Volcanic in origin the rocky steep-sided island is the top of a large stratovolcano which rises from the seafloor reaching a maximum elevation of 984 metres (3228 ft) at Seonginbong Peak.