Hawaii is the largest island in the Hawaiian Islands of the North Pacific and a part of the state of Hawaii in the United States. The area is 10458 square kilometers. Population 148677 (2000). It is in the shape of a saddle. Many volcanoes. To the south is Mount Mauna Loa, with an altitude of 4176 meters, and to the north is Mount Mauna Kea, with an altitude of 4207 meters. The Mauna Loa volcano has a diameter of 218 meters and often erupts lava, making it one of the world’s famous active volcanoes.