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ʻEua
Eua is a smaller but still major island in the kingdom of Tonga. It is close to Tongatapu, but forms a separate administrative division. It has an area of 87.44 km2, and a population in 2011 of 5,016 people.
==Geography==
Eua is a hilly island, the highest peaks are the ''Teemoa'' (chicken manure) 312 m, with the grave of the soldier on top, and the ''Vaiangina'' (watersprings) 305 m. The island is not volcanic, but was shaped by the rubbing of the Tonga plate against the Pacific plate, pushing Eua up and leaving the 7 km deep Tonga trench on the bottom of the ocean, a short distance towards the east. The soil of Eua is volcanic, as is that of Tongatapu, but only the top layer, deposited by eruptions of nearby volcanoes ten thousands years ago. Under it are the solid rocks of pushed-up coral. Eua counts many huge caves and holes, not all of which have yet been explored.
Eua is the only island in Tonga that has a river, and had the only bridge in the kingdom until Vavau also built one. The river drains into the harbour near the capital of the island, Ohonua.
A unique feature is the shore between Ohonua and Tufuvai. It is coral reef still close to the sea level. Many small tidal pools are found, named the otumatafena.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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