This page shows a simulation of the "Fat Man" - Nagasaki bomb (20 kt) nuclear bomb (20 kt) detonated over -78.472726297531, -0.076902936847034. 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.