This was the aftermath of 15 kilotons: https://upload.wikimedia.org/wikipedia/commons/a/a0/Hiroshima_aftermath.jpg https://upload.wikimedia.org/wikipedia/common

This was the aftermath of 15 kilotons: https://upload.wikimedia.org/wikipedia/commons/a/a0/Hiroshima_aftermath.jpg https://upload.wikimedia.org/wikipedia/commons/a/a0/Hiroshim... Despite 2750T of ammonium nitrate the yield of explosion was around 0.2-0.3KT TNT