What Volcano is the Biggest?

Answer 1

On Earth, Mauna Kea on the island of Hawaii is the tallest, but in terms of volume and area covered the prize goes to it neighbor Mauna Loa. In our solar system it is Olympus Mons, located on Mars.

Answer 2

Mauna Loa in Hawaii holds the title of the world's largest volcano in terms of volume and area covered. It is a shield volcano that rises about 13,679 feet above sea level and extends about 56 miles in width.

Answer 3

Olympus mons on mars