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Kuril Islands

islands, Russia
Also known as: Chishima-rettō, Kurilskiye Ostrova

Kuril Islands, archipelago in Sakhalin oblast (province), far-eastern Russia. The archipelago extends for 750 miles (1,200 km) from the southern tip of the Kamchatka Peninsula (Russia) to the northeastern corner of Hokkaido island (Japan) and separates the Sea of Okhotsk from the Pacific Ocean. The 56 islands cover 6,000 square miles (15,600 square km). The chain is part of the Ring of Fire, a belt of geologic instability circling the Pacific, and contains at least...