Geographic location
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Helgoland
5
McIntosh
5
Tromso
5
Admiralty Bay
4
Amundsen Sea
4
Argentine
4
Austral
4
Barents Sea
4
Bougainville
4
Bransfield Strait
4
Charcot
4
Craddock
4
Diaz
4
George Murray
4
Gomez
4
Goodwin
4
Grieg
4
Hudson
4
Humps
4
Island Bay
4
Kara Sea
4
Kattegat
4
Kerguelen Islands
4
Lamarck
4
Larsen Ice Shelf
4
McGrath
4
McMurdo Sound
4
Merrick
4
Mid-Atlantic Ridge
4
Nagata
4
Nakaya
4
Nonsuch
4
Oceana
4
Patagonia
4
Phoenix Islands
4
Powell Basin
4
Queen Charlotte
4
Queensland
4
Reinhardt
4
Rompiente
4
Roten
4
Sanderson
4
Sickle
4
Thalia
4
Tonga
4
Tooth The
4
White Island
4
Bellingshausen Sea
3
Beneden
3
Bouvet Island
3
more ...