Underground nuclear explosion causes 6.8 magnitude earthquakeaoeu (32)in #video • 7 years ago Cannikin was an underground nuclear weapons test performed on November 6, 1971, on Amchitka island, Alaska, by the United States Atomic Energy Commission. -Wikipedia It was detonated 1.87 kilometers (1.16 miles) below the surface of the earth. Source #science #history
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