Kīlauea Caldera
The Kīlauea Caldera (Hawaiian: Kaluapele), officially gazetted as Kīlauea Crater, is a caldera located at the summit of Kīlauea, an active shield volcano in the Hawaiian Islands. It has an extreme length of 2.93 mi (4.72 km), an extreme width of 1.95 mi (3.14 km), a circumference of 7.85 mi (12.63 km) and an area of 4.14 mi2 (10.7 km2).