description Suwolbong Overview
Suwolbong is a volcanic tuff cone on the western coast of Jeju Island, South Korea. It formed during the Pleistocene through hydrovolcanic eruptions, in which rising magma interacted with water or wet coastal sediments. Marine erosion has cut into the cone and exposed well-layered tuff, including cross-sections of the deposits along the shoreline, making Suwolbong useful for studying Jeju's volcanic history.
help Suwolbong FAQ
What is Suwolbong?
Suwolbong is a volcanic tuff cone on the western coast of Jeju Island, South Korea. It formed through hydrovolcanic eruptions, when rising magma interacted with water or wet coastal sediments.
When did Suwolbong form?
Suwolbong formed during the Pleistocene. Its volcanic tuff records eruptions shaped by the interaction of magma and water.
Why are the layers at Suwolbong exposed?
Marine erosion has cut into the tuff cone and exposed well-layered volcanic deposits. The coastal setting makes the internal structure of the cone visible.
What is hydrovolcanism at Suwolbong?
Hydrovolcanism occurs when magma meets water or wet sediment, producing explosive interactions and fine volcanic tuff. Suwolbong is a Pleistocene example of this process on Jeju's western coast.
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