Which treaty allows only underground test of nuclear weapons?

Question

Quizplus · Accepted Answer

The Limited Test Ban Treaty (LTBT), also known as the Partial Test Ban Treaty, prohibits nuclear weapons tests or any other nuclear explosion in the atmosphere, in outer space, and under water, allowing only underground nuclear tests as long as they do not cause radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the explosion is conducted.

Which Treaty Allows Only Underground Test of Nuclear Weapons