Geographic location
Arctic
14
Arctic Ocean
Gakkel Ridge
5
Indian
2
Pacific
2
Behn
1
Bianchi
1
Chukchi Sea
1
Coleman
1
Dayton
1
Fairbanks
1
Fernandez
1
Franz Josef Land
1
Henkes
1
Huntington
1
Jenner
1
Kele
1
Makarov Basin
1
Mendeleyev
1
Mendeleyev Ridge
1
Petersen
1
Ross Ice Shelf
1
Rowe
1
Sarmiento
1
Southern Ocean
1
Sullivan
1
Trona
1
Weddell
1
Weddell Sea
1