2-626: Mount Lazarev (Гора Лазарева, "Gora Lazareva") is a massif on the northern portion of Yuzhny Island , Novaya Zemlya , in Russia. It was used for many Soviet nuclear tests , starting with the first underground nuclear test on Novaya Zemlya, 18 September 1964, which may have resulted in tired mountain syndrome . This Arkhangelsk Oblast location article is a stub . You can help Misplaced Pages by expanding it . Yuzhny Island Yuzhny Island ( Russian : Южный остров , romanized : Yuzhniy ostrov , lit. 'southern island')
4-475: Is the southern island of Russia 's Novaya Zemlya archipelago , lying north of mainland Russia. It has an area of 33,275 square kilometres (12,800 sq mi), which while smaller than the northern island of Severny , still makes it one of the largest islands in the world . It is separated from Severny Island by the narrow Matochkin Strait , which is covered with ice most of the year. West of Yuzhny Island lies
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