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Global Volcanism Program | Image GVP-06201

Deception Island in Antarctica contains a 7-km-wide caldera flooded by the sea. A narrow passageway named Neptune’s Bellows cuts through the caldera wall to the left. Numerous vents located along the caldera ring fractures around the low, 14-km-wide island have been active during historical time. Maars produced by magma-water interaction occur across the shores of the 190-m-deep Port Foster. Photo by Juan Bastias (published in González-Ferrán, 1995).

Deception Island in Antarctica contains a 7-km-wide caldera flooded by the sea. A narrow passageway named Neptune’s Bellows cuts through the caldera wall to the left. Numerous vents located along the caldera ring fractures around the low, 14-km-wide island have been active during historical time. Maars produced by magma-water interaction occur across the shores of the 190-m-deep Port Foster.

Photo by Juan Bastias (published in González-Ferrán, 1995).

Keywords: caldera | island volcano


Deception Island