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Nuclear Explosions

So far more than 2,000 nuclear tests have been conducted worldwide. The table below shows which countries have carried out nuclear explosions in the atmosphere, underground or underwater.

Country Number of tests Type
China

21

24

atmospheric nuclear explosions

underground nuclear explosions

France

45

153

atmospheric nuclear explosions

underground nuclear explosions

India 3

underground nuclear explosions

North Korea 6

underground nuclear explosions

Pakistan 2

underground nuclear explosions

Soviet Union

213

503

2

atmospheric nuclear explosions

underground nuclear explosions

underwater nuclear explosions

United Kingdom

21

24

atmospheric nuclear explosions

underground nuclear explosions

USA

216

818

5

atmospheric nuclear explosions

underground nuclear explosions

underwater nuclear explosions

Unknown 1  
Nuclear Explosions

Explore the International Monitoring System (IMS) by clicking on the interactive CTBTO map.