U.S. in the Marshall Islands in 1952, yielded the equivalent of 10.4 million tons of TNT, a blast 700 times more powerful.
theres a video on youtube...poor dam island least the russians tested tsar bomb on a isolated ice island....but still what if u was a hermit living out your dream ....they are so far behind no telling how big they are now,the tsar sent shock waves across the earth 3 times in 1961.
they even halfed that sucker was a 100 mega