The South Shetland Trough is an undersea trough located north of the South Shetland Islands, which are a group of Antarctic islands.
[1][2] 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.
[3]
This article about a specific oceanic location or ocean current is a stub.
You can help Wikipedia by expanding it.