Scaryhist0ry on Instagram: "Cannikin Nuclear Test: The Largest Underground Nuclear Explosion in U.S. History On November 6, 1971, the United States conducted Operation Cannikin, the largest underground nuclear test ever performed, on Amchitka Island, Alaska. Detonated nearly one mile beneath the Earth’s surface, the nuclear device had an estimated yield of almost 5 megatons—more than 300 times the explosive power of the Hiroshima atomic bomb. The force of the explosion was so immense that it phy

What happens when a nuclear bomb explodes?