Marshall Islands more radioactive than Chernobyl

in 1958, the U.S. detonated a Mark 7 nuclear bomb underwater near Enewetak Atoll in the Marshall Islands. The test, named “Wahoo,” created a massive water vapor column over half a mile high. The bomb, detonated 500 feet below the surface, demonstrated the raw power of early atomic weapons. ☢️This video shows a nuclear weapons test conducted in 1958. What you’re watching isn’t history frozen in the past — it’s a reminder of the devastation these weapons are designed to unleash. Entire landscapes

The Nuclear History of Likiep Atoll Explained | Britannica