![]() ![]() According to the BBC report, the US had a spyplane flying only tens of kilometres away from the blast site. However, the report added, the amount of radiation was surprisingly low because the fireball had not made contact with the ground. Sensors registered the blast wave orbiting the Earth three times, it said. It was also estimated that heat from the blast could have caused third-degree burns up to 100 km away.Īccording to the BBC report cited above, the explosion unleashed unbelievable energy - “now widely agreed to be in the order of 57 megatons, or 57 million tons of TNT”. The explosion levelled an uninhabited village, Severny, located 55 km from ground zero, and reached buildings more than 160 km away, according to available records. The 30-minute film featured all stages of the test - from transportation of the weapon by railway in an aviation bomb casing, to measurements of the radioactive fallout after the explosion, the report noted.įile photo of a mockup of Tsar Bomba displayed at an exhibition in Moscow | Photo: AFP The Tsar Bomba Aftermath confirmed that the Soviet Union is in possession of a thermo-nuclear weapon with power of 50 megatons, 100 megatons and more,” a Reuters report from August 2020 quoted a narrator as telling the audience. “The testing of an exceptionally powerful hydrogen load. The footage was released as part of a documentary published online for the first time by Russian state nuclear agency Rosatom as the country organised events to mark the 75th anniversary of Russia’s atomic industry. The footage showed an immense fireball and the 60-km high mushroom cloud lighting up the sky, media reports from the time said, adding that the views were captured by cameras installed on the ground and also on board two Soviet aircraft. The classified footage of the world’s largest nuclear explosion was released by Russia in 2020. The spectacle was fantastic, unreal, supernatural.”īefore Tsar Bomba, the largest explosion ever conducted was by the US - a 15-mega-tonne ‘Castle Bravo’ hydrogen bomb detonated on Bikini Atoll in 1954. It seemed to suck the whole Earth into it. Having broken through the thick layer of clouds it kept growing. He added: “The ball was powerful and arrogant like Jupiter. At that moment, our aircraft emerged from between two cloud layers and down below in the gap a huge bright orange ball was emerging.” “The sea of light spread under the hatch and even clouds began to glow and became transparent. “The clouds beneath the aircraft and in the distance were lit up by the powerful flash,” a BBC report quoted a Soviet cameraman who witnessed the detonation as saying. The bomb was 4 km above the ground when it exploded, producing a more than 60-km-high mushroom cloud (see photo above), the Britannica article notes, adding that the flash was seen some 1,000 km away. It dropped the Tsar Bomba over the Mityushikha Bay test site at approximately 11:32 AM Moscow time on the deserted Novaya Zemlya island. Piloted by Andrey Durnovtsev, the Tu-95V aircraft took off from Kola Peninsula on October 30, 1961, and was joined by an observer plane, according to Britannica records. The device was carried by a modified Tu-95V bomber, equipped with a special parachute to slow its fall, which allowed the aircraft to fly a safe distance away from the blast site. The weapon that was finally tested weighed 27 tonnes, and had a length of some 26 feet and a diameter of about 7 feet. At 50 mega tonnes, the weapon was estimated to be about 3,800 times the strength of the bomb the US bomb used on Hiroshima on August 6, 1945, the Britannica article says, adding that the fusion process of the device was also altered to lessen the fallout. The weapon with a 100 mega tonne capacity, unparalleled in power, was modified to yield 50 mega tonnes because the fallout from such a blast was considered too dangerous for a test situation. Britannica notes that the “three-stage bomb” was meant to be a show of Soviet strength. Tsar Bomba, officially known as RDS-220 and also called Big Ivan, was built in 1961 by a group of Soviet physicists, at a time when the Cold War between the US and the USSR had grown quite tense. Here is a look back at the October 30 event of 1961, which saw the largest nuclear weapon ever being set off, producing the “most powerful human-made explosion ever recorded”, according to Britannica. Called Tsar Bomba, Russian for ‘King of Bombs’, it was said to come with a force 3,333 times that of the bomb dropped on Hiroshima by the United States during World War II. Coming 16 years after the dreaded Hiroshima and Nagasaki nuclear attacks, the test of the world’s most powerful nuclear weapon had left everyone shocked. On this day 61 years ago, the erstwhile Soviet Union detonated a thermonuclear bomb in a test over Novaya Zemlya island in the Arctic Ocean.
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