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Vanuatu is a 'Y' shaped archipelago that comprises 80 islands. It is located 2,172 kilometers (1,303 mi.) northeast of Sydney and 5,750 kilometers (3,450 mi.) southwest of Honolulu. Fiji lies to the east, New Caledonia to the south, and the Solomon Islands to the northwest, all within the area of the South Pacific called Melanesia.
The two largest islands, Espiritu Santo (or Santo) and Malakula, account for nearly one-half of the total land area. They are volcanic, with sharp mountain peaks, plateaus, and lowlands. The last volcanic eruption was in 1945. The larger islands of the remaining half also are volcanic but are overlaid with limestone formations; the smaller ones are coral and limestone. Rainfall averages about 2,360 millimeters (94 in.) per year but can be as high as 4,000 millimeters (160 in.) in the northern islands.
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