The Soviet Union detonated the Tsar Bomba over the Novaya Zemlya archipelago on October 30, 1961, with an estimated yield of around 50 megatons, roughly 1,500 times the combined force of the bombs dropped on Hiroshima and Nagasaki. It remains the most powerful explosive device ever detonated by humans.
Record no. MRB-2026-005637
Most Powerful Nuclear Weapon Ever Detonated
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.