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Bikini Atoll, Kili, Marshall Islands (11.53915 165.27163)
There are 23 islands in the Bikini Atoll; the islands of Bokonijien, Aerokojlol, and Namu were vaporized during the nuclear tests. The islands are composed of low coral limestone and sand. The average elevation is only about 7 feet (2.1 m) above low tide level. The total lagoon area is 229.4-square-mile (594.1 km2). The primary home of the islanders was the most northeast and largest islet, Bikini Island, totaling 586 acres (237 ha) and 2.5 miles (4.0 km) long.