Test 219 was a nuclear test conducted by the Soviet Union in the atmosphere via ICBM. The test was performed on December 22, 1962 over the Novaya Zemlya test range. It was a thermonuclear fusion bomb with a yield of about 24.4 megatons and a destruction radius of about , making it the second largest thermonuclear explosion in history, only behind the Tsar Bomba test. It exploded at height of 2.44 mi (3.75 km).