This page shows a simulation of the "Tsar Bomba" - largest USSR bomb tested (50 Mt) nuclear bomb (50000 kt) detonated over 13.392671494821, 52.536407771615. The map displays the estimated fireball, the zones of heavy, moderate and light blast damage, thermal radiation and ionizing radiation. Click «What does that mean?» for a detailed legend, or run your own detonation on the main page.