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The Mt Kanbaek Volcano in the north of Kanbaek caldera is 2 162 metres above sea level and is located at the crossing point of a radial fault and a ring-shaped fault along the crestal line of Mt Kanbaek.
It was formed by the accumulation of lava of different kinds of rocks, which came into being by five times of small eruptions, on the trachydacitic layer of the Pukphothaesan Bed.