Kermadec Islands (kərmădˈĕk) [key], almost uninhabited, active volcanic group (c.13 sq mi/34 sq km), South Pacific, 450 mi (720 km) NE of New Zealand, of which they are a dependency. Raoul, or Sunday, Island, the largest, is mountainous, with three main craters. The group, now a nature reserve, was annexed to New Zealand in 1887. The islands are adjacent to the Kermadec-Tonga Trench.
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