atomic bombings of hiroshima and nagasaki death toll

$2 billion - The approximate cost of research and development of the atomic bomb by the United States, called the “Manhattan Project.”ġ30,000 - The number of people employed by the Manhattan Project.ģ - Research facilities involved in the development of the bombs: Oak Ridge National Laboratory, Tennessee, the Hanford Site, Washington, and Los Alamos National Laboratory, New Mexico.ġ7 - Physicists who worked on the Manhattan Project who already were or would later become Nobel Laureates in physics.ġ8,000 - Tons of TNT equaled the blast from New Mexico test run on July 16, 1945.ġ,800+ feet - The distance above ground that “Little Boy” detonated over Hiroshima after it was released from the B-29 Bomber “Enola Gay.”ĩ,700 lbs - Weight of the “Little Boy” atomic bomb.Ħ0,000 feet - Height of the mushroom cloud following the detonation of “Fat Man” over Nagasaki. Nagasaki was chosen because of the weather.Ī man wheels his bicycle thorough Hiroshima in August 1945, days after the city was leveled by an atomic bomb blast. A single atomic bomb indiscriminately killed tens of thousands of people, profoundly disrupting and altering the lives of the survivors. The total deaths following exposure to the bomb by the end of 1945 totalled 140,000 (+/- 10,000) in Hiroshima and 70,000 (+/- 10,000) in Nagasaki. More than 70,000 - Number of people killed instantly in Nagasaki by the bomb.ĥ - Number of days after the bombing of Nagasaki that Emperor Hirohito announced Japan’s acceptance of the terms of the Postdam Declaration and its unconditional surrender, bringing an end to World War II.Ģ - Number of possible targets for the second bombing: Nagasaki and Kokura. On August 9, 1945, “an implosion-model plutonium bomb code-named “Fat Man,” was detonated over Nagasaki. The revised total was released at a ceremony on the 50th anniversary of the bombing.ģ - Number of days between the first and second atomic bombs dropped on Japan. The recorded death tolls are estimates, but it is thought that about 140,000 of Hiroshimas 350,000 population were killed in the blast, and that at least 74,000 people died in Nagasaki. The code name of the uranium-based bomb was “Little Boy.”ġ92,020 - Total number of those killed in Hiroshima, combining those killed instantly and those killed from radiation and other aftermath. Here is some background information about the history of the atomic bomb, by the numbers:Ģ - Number of atomic bombs dropped on Japan during World War II.Ĩ0,000 - People who died instantly in Hiroshima, Japan, on August 6, 1945, when the first ever atomic bomb was used in war.

The decision by the United States to use the atomic bomb against Japan in August 1945 is credited with ending World War II. The nuclear bombing did nevertheless prove devastating, with approximately 22.7 of Nagasaki’s buildings being consumed by flames, but the death toll and destruction was less than in Hiroshima.

Atomic bombings of hiroshima and nagasaki death toll