South Shetland Trough is located in Atlantic Ocean
South Shetland Trough
South Shetland Trough
Location of the South Shetland Trough

The South Shetland Trough is an undersea trough located north of the South Shetland 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]


  1. ^ Wolfram|Alpha: South Shetland Trough[permanent dead link]
  2. ^ South Shetland Trough. SCAR Composite Antarctic Gazetteer.
  3. ^ Bird, Peter (March 2003). "An updated digital model of plate boundaries". Geochemistry, Geophysics, Geosystems. 4 (3). doi:10.1029/2001gc000252. ISSN 1525-2027.

61°0′S 59°30′W / 61.000°S 59.500°W / -61.000; -59.500