Region
Alaska
6
Alaska, Gulf of
4
California
3
Charleston Region
2
Japan
2
Okinawa-ken
2
Prudhoe Bay
2
South Carolina
2
Svalbard (Norway)
2
United States
2
West (U.S.)
2
America
1
Baltimore
1
Great Basin
1
Great Britain
1
Long Beach
1
Maryland
1
Nevada
1
New Caledonia
1
North America
1
Pacific Coast
1
Patagonia (Argentina and Chile)
1
Rocky Mountains
1
Tierra del Fuego (Argentina and Chile)
1