11/03/24 04:22:58.50 Sn1wdmBI0
>>433
Cannikin was detonated on November 6, 1971,
as the thirteenth test of the Operation Grommet (1971?1972) underground nuclear test series.
The announced yield was "less than five" megatons (21 PJ) ? the largest underground nuclear test
in US history.[21] (Estimates for the precise yield range from 4.4[32] to 5.2[33] megatons or 18 to 22 PJ).
The ground lifted 20 feet (6 m), caused by an explosive force equivalent almost 400 times
the power of the Hiroshima bomb.[34] Subsidence and faulting at the site created a new lake,
over a mile wide.[3] The explosion caused a seismic shock of 7.0 on the Richter scale, cite
The magnitude 7.0 quake -- the most powerful to hit Haiti in a century --
struck shortly before 5 p.m. and was centered about 10 miles (15 kilometers) southwest of Port-au-Prince,
the U.S. Geological Survey reported. It could be felt strongly in eastern Cuba,
more than 200 miles away, witnesses said. cite
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