From 1951 until 1992, a total of 1,021 nuclear tests were conducted on the 3,500 km² site: 100 above and 921 below ground.
The Nevada Test Site, located about 105 km northwest of Las Vegas, was the largest and most important nuclear weapons test site in the U.S. More than 1,000 nuclear detonations at the Nevada Test Site between 19 dispersed massive amounts of radioactive particles across the Earth, leading to wide-spread contamination and exposing the world’s entire population to dangerous radioisotopes.
