Geographic location
Antarctic
Indian
Pacific
9
Canada
5
New Zealand
5
Okhotsk
5
Acuña
3
Arctic
3
Auster
3
Burdwood Bank
3
Drake Passage
3
Greenland
3
Mid-Atlantic Ridge
3
Norway
3
Patagonia
3
Southern Ocean
3
Austin
2
Bali
2
Bank Point
2
Barraza
2
British Columbia
2
Burton
2
Conway
2
Dominguez
2
Escobar
2
Frolova
2
Gomez
2
Guernsey
2
Llorente
2
Long Island
2
Lowry
2
Mercurio
2
Morales
2
Ortiz
2
Suarez
2
The Antarctic
2