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St. Paul Volcano

Updated: Mar 28, 2024 13:09 GMT -
Stratovolcano 268 m / 879 ft
France, Southern Indian Ocean, -38.72°S / 77.53°E
Current status: normal or dormant (1 out of 5)

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Typical eruption style: unspecified
St. Paul volcano eruptions: 1793 

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Background

The uninhabited triangular island of St. Paul is located near the axis of the East Indian Ocean Ridge, 80 km south of Amsterdam Island. St. Paul is composed of a older tuff cone surmounted by a basaltic stratovolcano with a 1.8-km-wide caldera. The entire NE half of the volcano was submerged following collapse along a NW-trending fault. This breached the central caldera, leaving an 80-m-deep bay connected to the ocean by a narrow channel only a few meters deep. Geothermal areas are located near the 268-m-high caldera rim and along the margins of the caldera bay. The only recorded historical eruption took place in 1793 from a vent on the lower SW flank.
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Smithsonian / GVP volcano information

St. Paul Volcano Photos

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