Britannica
Sources used in this answer
- nuclear weapon - The weapons are used
- Atomic Bombing of Nagasaki: Infographic
- Manhattan Project - The first atomic bombs: Trinity, Hiroshima, and Nagasaki
- atomic bombings of Hiroshima and Nagasaki: Top Questions
- atomic bombings of Hiroshima and Nagasaki - Casualties, damage, and the legacy of Hiroshima and Nagasaki
How many people were killed immediately in the Nagasaki bombing?
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atomic bombings of Hiroshima and Nagasaki
A gigantic mushroom cloud rising above Hiroshima, Japan, on August 6, 1945, after a U.S. aircraft dropped an atomic bomb on the city, immediately killing more than 70,000 people.
It is estimated that approximately 40,000 people were killed instantly in the atomic bombing of Nagasaki on August 9, 1945.123
By the end of that year, the total death toll in the city had reached at least 70,000 due to the combined effects of the blast, injuries, and radiation poisoning.4123