Geographic location
Austin
Pacific
Arctic
8
Gulf of Alaska
5
Adak
4
New Zealand
4
Norway
4
Okhotsk
4
British Columbia
3
Canada
3
Amchitka
2
Amchitka Pass
2
Antarctic
2
Atka
2
Barents Sea
2
Bering Sea
2
Dixon Entrance
2
Dundas
2
Endeavour
2
Greene
2
Indian
2
Kerguelen
2
Kiska
2
Kiska Island
2
Kola Peninsula
2
Learmonth Bank
2
Norway Station
2
Payne
2
Petrel Bank
2
Portland Canal
2
Puffball
2
Queen Charlotte
2
Semisopochnoi Island
2
Witchcraft Point
2