Great Volcanoes -- Details

Five volcanoes make up the Island of Hawaii, Mauna Loa, Mauna Kea, Kilauea, Kohala, and Hualalai. Although the appearance of the summit calderas for Mauna Loa and Olympus Mons are similar there is a great difference in scale. The caldera of Olympus Mons is 80 km while that of Mauna Loa is 5 km X 3.2 km in diameter.

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