This page shows a simulation of the "Ivy Mike" - first H-bomb (10.4 Mt) nuclear bomb (10400 kt) detonated over -79.894044629192, -2.2130287771819. 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.