Explore: Nuclear Tests

000 nuclear weapons tests have been carried out since 1945. Nuclear testing is a sensitive political issue. Governments have often performed tests to signal

States performed nuclear weapons tests from 1945 to 1992 as part of the nuclear arms race. By official count, there were 1,054 nuclear tests conducted, including

Comprehensive Nuclear-Test-Ban Treaty, there were no declared tests between the 1998 Pakistani Chagai-II and the 2006 North Korean test, and none outside

with the next continental US tests in 1951, set a precedent. In subsequent atmospheric nuclear tests at the Nevada Test Site, United States Atomic Energy

magnitude of nuclear tests, particularly tests of new thermonuclear weapons (hydrogen bombs), and the resulting nuclear fallout. A test ban was also seen

engaged in a Cold War nuclear arms race with the Soviet Union to build more advanced bombs from 1947 until 1991. The first series of tests over Bikini Atoll

North Korea has conducted six nuclear tests, in 2006, 2009, 2013, twice in 2016, and in 2017. 2km 1.2miles South West East North portal 6 5 4 3 2 1    

site was also used for minor trials, tests of nuclear weapons components not involving nuclear explosions. The tests codenamed "Kittens" were trials of

surrounding the size and resulting nuclear fallout from underwater and atmospheric nuclear tests, particularly tests of powerful thermonuclear weapons

several Israeli observers at the French nuclear tests and the Israelis had 'unrestricted access to French nuclear test explosion data.'" Initial monitoring