US NATIONAL ARCHIVES AND RECORDS ADMINISTRATION / SCIENCE PHOTO LIBRARY US NATIONAL ARCHIVES AND RECORDS ADMINISTRATION / SCIENCE PHOTO LIBRARY
Atomic burst over Hiroshima, coloured image. On 6th August 1945, during World War II, a US bomber dropped the Little Boy atomic bomb over Hiroshima, Japan. The atomic explosion, equivalent to 12,500 tons of TNT, destroyed the city and generated a dense column of smoke and a mushroom cloud. Here, the column is six kilometres high and its base is three kilometres across. This was the first atomic bomb used in warfare, the second being used over Nagasaki three days later. Over 220,000 people died in the attacks, and thousands were injured. Japan surrendered a few days later. For the original version of this image, see T162/128.
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