FAQ - Nuclear Explosions and Seismology

Q: What is the Comprehensive Test Ban Treaty (CTBT)?

A: On September 10, 1996, the United Nations General Assembly voted 158-3 to approve a treaty prohibiting all nuclear tests. The Comprehensive Test Ban Treaty has been signed by 130 nations - including the United States. President Clinton Clinton signed the agreement on September 24, 1996.

For more detailed information about the Comprehensive Test Ban Treaty, see the links at:

UC Berkeley

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