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  2. Nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapons_testing

    Nuclear weapons testing did not produce scenarios like nuclear winter as a result of a scenario of a concentrated number of nuclear explosions in a nuclear holocaust, but the thousands of tests, hundreds being atmospheric, did nevertheless produce a global fallout that peaked in 1963 (the bomb pulse), reaching levels of about 0.15 mSv per year ...

  3. List of nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclear_weapons_tests

    As of 1993, worldwide, 520 atmospheric nuclear explosions (including eight underwater) have been conducted with a total yield of 545 megatons (Mt): 217 Mt from pure fission and 328 Mt from bombs using fusion, while the estimated number of underground nuclear tests conducted in the period from 1957 to 1992 is 1,352 explosions with a total yield ...

  4. List of United States nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Trinity, part of Project Manhattan, was the first ever nuclear explosion. The nuclear weapons tests of the United States were performed from 1945 to 1992 as part of the nuclear arms race. The United States conducted around 1,054 nuclear tests by official count, including 216 atmospheric, underwater, and space tests.

  5. Factbox-Nuclear testing: Why did it stop, and when? - AOL

    www.aol.com/news/factbox-nuclear-testing-why-did...

    The Comprehensive Nuclear-Test Ban Treaty bans nuclear explosions by everyone, everywhere. It was signed by Russia in 1996 and ratified in 2000. The United States signed the treaty in 1996 but has ...

  6. Underground nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Underground_nuclear...

    Underground nuclear testing is the test detonation of nuclear weapons that is performed underground. When the device being tested is buried at sufficient depth, the nuclear explosion may be contained, with no release of radioactive materials to the atmosphere.

  7. Today in History: Nevada is site of first-ever underground ...

    www.aol.com/news/2015-09-19-today-in-history...

    On this day in 1957, the first underground nuclear test was carried out at the Nevada Test Site, a 1,375 square-mile research center located 65 miles away from Las Vegas.The 1,7 kiloton nuclear ...

  8. Russia says 'nyet' to nuclear testing - with a condition - AOL

    www.aol.com/news/russia-says-nyet-nuclear...

    The U.S. opened the nuclear era in July 1945 by testing a 20-kiloton nuclear bomb at Alamogordo, New Mexico, then dropped atom bombs on the Japanese cities of Hiroshima and Nagasaki a month later ...

  9. List of nuclear weapon explosion sites - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclear_weapon...

    It includes nuclear test sites, nuclear combat sites, launch sites for rockets forming part of a nuclear test, and peaceful nuclear test (PNE) sites. There are a few non-nuclear sites included, such as the Degelen Omega chemical blast sites, which are intimately involved with nuclear testing. Listed with each is an approximate location and ...