Geography of South Korea Seoul sought to raise in talks with Pyongyang. Though Seoul completed a "Peace Dam" on the Pukhan River to counteract the potential threat of Pyongyang's dam project before the 1988 Olympics, the North Korean project apparently still was in its initial stages of construction in 1990. Maritime claims: "territorial sea:" "contiguous zone:" "exclusive economic zone:" "continental shelf:" not specified Elevation extremes: "lowest point:" Sea level 0 m "highest point:" Hallasan 1,950 m Part of the East Asian Monsoon region, South Korea has a temperate climate with four distinct seasons. The movement of air masses from the Asian continent exerts greater
Volcano in Germany, Shiprock in New Mexico, and Zuidwal volcano in the Netherlands. Edinburgh Castle in Scotland is famously located atop an extinct volcano. Otherwise, whether a volcano is truly extinct is often difficult to determine. Since "supervolcano" calderas can have eruptive lifespans sometimes measured in millions of years, a caldera that has not produced an eruption in tens of thousands of years is likely to be considered dormant instead of extinct. Some volcanologists refer to extinct volcanoes as inactive, though the term is now more commonly used for dormant volcanoes once thought to be extinct. It is difficult to distinguish