South Shetland Trough

The South Shetland Trough is an undersea trough located north of the South Shetland Islands, which are a group of Antarctic islands.Wolfram|Alpha: South Shetland TroughSouth Shetland Trough. SCAR Composite Antarctic Gazetteer. It is the remnant of a subduction zone where the defunct Phoenix Plate, now part of the Antarctic Plate, subducted under the Antarctic Peninsula and the South Shetland Islands.

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