出典:Wikipedia
出典:『Wikipedia』 (2011/07/15 18:56 UTC 版)
Orona atoll, also known as Hull Island, is one of the Phoenix Islands in the Republic of Kiribati. measures approximately 8.8 km by 4 km, and like Kanton, is a narrow ribbon of land surrounding a sizable lagoon with depths of 15–20 metres. Numerous passages connect the lagoon to the surrounding ocean, only a couple of which will admit even a small boat. Total land area is 3.9 sq. km, and the maximum elevation is nine metres.