President Thiers Bank
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| President Thiers Bank | |
|---|---|
 | |
| Summit depth | 33 metres (108 ft) |
| Location | |
| Coordinates | 24°40′S 145°55′W / 24.667°S 145.917°W[1] |
| Geology | |
| Type | Guyot |
President Thiers Bank is a broad[2] guyot,[3] which lies northwest of Rapa[4] and 200 kilometres (120 mi) southeast of Raivavae,[5] in the Austral Islands.[4] Its summit reaches a depth of 33 metres (108 ft).[6] It may have been created by the Macdonald hotspot.[7] Another theory sees in the seamount the endpoint of an alignment that starts with Aitutaki[8] and also involves one volcanic phase at Raivavae.[5]
