Tsar Bomba C), north of the Arctic Circle over the Novaya Zemlya archipelago in the Arctic Ocean. The bomb was dropped from an altitude of ; it was designed to detonate at a height of over the land surface ( above sea level) by barometric sensors. The original, November 1961, United States Atomic Energy Commission estimate of the yield was 55–60 megatons, but since 1992, all Russian sources have stated its yield as 58.6 megatons. First secretary Khrushchev warned in a filmed speech to the Supreme Soviet of the existence of a 100-megaton bomb (technically the design was capable of this yield.)
Novaya Zemlya Oblast, Russia. Municipally, it is incorporated as Novaya Zemlya Urban Okrug. The population of Novaya Zemlya, as of the 2010 Census, was about 2,429, of which 1,972 resided in Belushya Guba, an urban-type settlement that is the administrative center of Novaya Zemlya District. The indigenous population (from 1872 to the 1950s when it was resettled to the mainland) consisted of about 50–300 Nenetses who subsisted mainly on fishing, trapping, reindeer herding, polar bear hunting and seal hunting. Natural resources include copper, lead, and zinc. Novaya Zemlya was a sensitive military area during the Cold War years, and parts of it