Severny Island (Russian: Се́верный о́стров, romanized: Severnyy ostrov, lit.
It has an area of 48,904 square kilometres (18,882 sq mi), making it the 30th-largest island in the world[1] and the 3rd-largest uninhabited island in the world, although there was formerly a settlement at Lagerni on the northern shore of the narrow Matochkin Strait.
[6] The cape of Sukhoy Nos, located at the southern end of the island, was used for nuclear weapons testing between 1958 and 1961.
The Tsar Bomba hydrogen bomb test on October 30, 1961 destroyed all buildings in the village of Severny (both wooden and brick).
[7] The village was located 55 kilometres (34 miles) from ground zero within the Sukhoy Nos test range.