Geographic location
Arctic
19
Pacific
18
Arctic Ocean
10
Antarctic
7
Southern Ocean
5
Indian
2
Svalbard
2
The Antarctic
2
Aitken
1
Arauco
1
Bakker
1
Bering Sea
1
Canada
1
Greenland
1
Guano
1
Hoegh
1
Isi
1
Kings Bay
1
Lamarck
1
Longhurst
1
Mek
1
Porcupine Seabight
1
Rockall Trough
1
Shell Island
1
Sleipner
1
Swash
1
Ula
1