Very good post man and and interesting topic, you should see this as well
Operation "Teapot", largest bomb detonated there was 43kilotons , largest today is 57 megatons! 1325 times more powerful than the explosion in this video!
Source: https://www.youtube.com/playlist?list=PLvGO_dWo8VfcmG166wKRy5z-GlJ_OQND5 be sure to check these out!