At 11:32 AM Moscow time Novaya Zemlya archipelago in northern Russia.
Place of origin: Soviet Union. Blast yield: 50-58 megatons (TNT). The Russian Tsar Bomba was the most powerful nuclear weapon detonation in the history of mankind. This video shows the original footage of the detonation…. The Tsar Bomba detonated 2 miles above the ground, north of the Arctic Circle on October 30, 1961. At the time, Khrushchev warned of the existence of a 100 megaton bomb – nearly unimaginable after witnessing this 57 megaton detonation. The fireball was seen and felt 620 miles away from ground zero.  Science. On October 31, 1961 the Soviet Union detonated the largest nuclear device in human history. The weapon, nicknamed Tsar Bomba, yielded 57 megatons of TNT, four times larger than any nuclear device tested by the United States. Tsar Bomba was detonated over the Mityushikha Bay nuclear testing range, north of the Arctic Circle in the Arctic Sea. The bomb was dropped from an altitude of 6.5 miles and was designed to detonate at a height of 2.5 over the land surface The Tsar Bomba detonated at 11:32 a.m. on October 30th, 1961, located approximately at 73.85° N 54.50° E [3], over the Mityushikha Bay nuclear testing range (Sukhoy Nos Zone C), north of the Arctic Circle on Novaya Zemlya Island in the Arctic Sea.  http://www.avasajt.webs.com. The Tsar Bomba is a Russian built hydrogen bomb that was detonated as a show of force. The bomb is said to be the most powerful ever detonated. 1  Entertainment. 2  Standard YouTube License.  Tsar Bomba KING OF BOMBS. On 30 October 1961, the Soviet Union detonated the Tsar Bomba nuclear bomb over the Novaya Zemlya archipelago in northern Russia. To this day, this is the largest nuclear weapon detonated. Detonation. The plane piloted by Andrei Durnovtsev dropped the Tsar Bomba at 11:32 AM Moscow time, from a height of 6.5 miles (10.5 km) over Mityushikha Bay in Novaya Zemlya. The bomb detonated at a height of 2.5 miles (4 km). Tsar Bomba (Russian: царь-бомба;  Tsar of bombs) is the nickname for the AN602 hydrogen bomb, the most powerful nuclear weapon ever detonated. The Tsar Bomba was the culmination of a series of high-yield thermonuclear weapons designed by the Soviet Union and the United States during the 1950s (examples include the Mark-17 and B41). 3,800 times more powerful than Hiroshima. The Tsar Bomba hydrogen bomb is the largest-ever nuclear device to have been detonated. The power of the explosion exceeded the combined power of all explosives used by all countries during WWII. The explosive energy released exceeded 3,800 times the Fat Man bomb dropped on Nagasaki.  The USSR had just detonated Tsar Bomba, a hydrogen bomb with a yield of 50 megatons—more than 3,000 times the power of the bomb dropped on Hiroshima. Severny, part of the Novaya Zemlya archipelago north of Russia, is an island of strong winds, ice-covered mountains, and freezing summers. 
http://modernsurvivalblog.com/terrorism-war/original-footage-of-the-largest-thermonuclear-weapon-ever-detonated-the-tsar-bomba/ http://www.atomicheritage.org/history/tsar-bomba https://answers.yahoo.com/question/index?qid=20070619102118AAlS6qs http://www.youtube.com/watch?v=x3pqSYAuy-A http://tsarbomba.org/ https://en.wikipedia.org/wiki/Tsar_Bomba https://www.rt.com/news/312778-nuclear-bomb-moscow-exhibition/ http://www.slate.com/blogs/atlas_obscura/2014/10/30/tsar_bomba_the_most_powerful_nuclear_weapon_ever.html
where was tsar bomba detonated