Region
United States
2
Africa
1
Central America
1
Georges Bank
1
Great South Channel Region (North Atlantic Ocean)
1
Guiana Highlands
1
Hawaii
1
Kilauea Volcano
1
Kilauea Volcano (Hawaii)
1
Nevada
1
North Pacific Ocean
1
Oceania
1
Pacific Coast (U.S.)
1
Polar regions
1
South America
1
South Asia
1
Venezuela
1