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The fireball created by the explosion had a maximum radius of 2.9 to 3.3 km (1.8 to 2.1 mi). [20] [21] [22] The maximum radius was reached several seconds after the detonation, during which the hot fireball lifted up due to buoyancy. While still relatively close to the ground, the fireball had yet to reach its maximum dimensions and was thus ...
The first Ivy shot, codenamed Mike, was the first successful full-scale test of a multi-megaton thermonuclear weapon ("hydrogen bomb") using the Teller-Ulam design. Unlike later thermonuclear weapons, Mike used deuterium as its fusion fuel, maintained as a liquid by an expensive and cumbersome cryogenic system.
The first target of nuclear weapons, the Mark I atomic bomb. The target was the Aioi Bridge across the Ōta River ; it exploded several hundred yards off. Hiroshima was a city of 250,000, suffering 70,000 or so deaths immediately and up to 126,000 by the end of the year.
[55] [56] In January 2016, North Korea claimed to have successfully tested a hydrogen bomb, [57] although only a magnitude 5.1 seismic event was detected at the time of the test, [58] a similar magnitude to the 2013 test of a 6–9 kt (25–38 TJ) atomic bomb. These seismic recordings cast doubt upon North Korea's claim that a hydrogen bomb was ...
Included the largest atmospheric test in CONUS. Project 58+58A: 1957 4: 4: 1: small to 1 1: Four more safety tests. Hardtack I: 1958 35: 35: 35: 0 to 9,300 35,628: A series in the Pacific Proving Ground, including three rocket boosted high altitude tests called Operation Newsreel. Argus: 1958 3: 3: 3: 2 4: Also known as Operation Floral before ...
Developed between 1956 and 1961 as the Soviet Union engaged in a nuclear arms race with the United States, the Tsar Bomba - the King of Bombs - was the largest hydrogen bomb ever and was claimed ...
An explosion of oil tankers at the Islam-Qala customs post that damaged or destroyed more than 500 oil tankers. [138] [139] [140] 13 February 2021 Afghanistan: Balkh Province: 30 Unknown An explosion occurred at a Taliban bomb-making class. Thirty militants (including six foreigners) were killed, and an unknown number were injured. [141]
Castle Bravo remains, to this day, the largest detonation ever carried out anywhere by the United States and the fifth largest H-bomb detonation in the world. Because Castle Bravo greatly exceeded its expected yield, JTF-7 was caught unprepared. Much of the permanent infrastructure on Bikini Atoll was heavily damaged.