The Manhattan Project Resources

U.S. Department of Energy

Office of Environment, Health, Safety and Security

Office of History and Heritage Resources

List of Declassified Yields of Tests Conducted In Pacific After the 1958-1961 Moratorium

Summary of Declassified Nuclear Test Yields

United States Department of Energy and Department of Defense


List of Declassified Yields of Underground Tests Conducted at the Nevada Test Site That Released Radioactivity Detected Off Site

                                                            Yield (in
Test         Date      Location   Type     Purpose          kilotons)

Feather      12/22/61    NTS      Tunnel   Weapons Related     0.15
Pampas       03/01/62    NTS      Shaft    Joint US-UK         9.5
Eel          05/19/62    NTS      Shaft    Weapons Related     4.5
Des Moines   06/13/62    NTS      Tunnel   Weapons Related     2.9
Bandicoot    10/19/62    NTS      Shaft    Weapons Related    12.5
Yuba         06/05/63    NTS      Tunnel   Weapons Related     3.1
Eagle        12/12/63    NTS      Shaft    Weapons Related     5.3
Oconto       01/23/64    NTS      Shaft    Weapons Related    10.5
Alva         08/19/64    NTS      Shaft    Weapons Related     4.4
Alpaca       02/12/65    NTS      Shaft    Weapons Related     0.33
Tee          05/07/65    NTS      Shaft    Weapons Effects     7
Fenton       04/23/66    NTS      Shaft    Weapons Related     1.4
Derringer    09/12/66    NTS      Shaft    Weapons Effects     7.8
Nash         01/19/67    NTS      Shaft    Weapons Related    39
Umber        06/29/67    NTS      Shaft    Weapons Effects    10
Pod          10/29/69    NTS      Shaft    Weapons Related    16.7
Scuttle      11/13/69    NTS      Shaft    Weapons Related     1.7
Snubber      04/21/70    NTS      Shaft    Weapons Effects    12.7
Riola        09/25/80    NTS      Shaft    Weapons Related     1.07
Glencoe      03/22/86    NTS      Shaft    Weapons Related    29

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