On September 22, 1979, a U.S. satellite detected a nuclear flash near the Prince Edward Islands off Antarctica.

Comprehensive Test Ban Treaty Organization

Country Has nukes Signatory Ratified
U.S. Yes 1996 No
Israel Yes 1996 No
Iran No 1996 No
Russia Yes 1996 2000
China Yes 1996 No
France Yes 1996 1998

CTBTO Map

Infrasound

Hydroacoustic monitoring

References

  1. Partial Nuclear Test Ban Treaty - October 10, 1963.
  2. Treaty on the Non-Proliferation of Nuclear Weapons - July 1, 1968

  3. Threshold Test Ban Treaty - July 3, 1974
  4. Vela Incident - September 22, 1979
  5. Comprehensive Nuclear-Test-Ban Treaty - September 10, 1996