Wasn't it around there that underwater nuclear tests and others were done?
There were radiation tests done on other islands after the WWII. Don't know where though. A neighbour from years ago was part of it. He died from leukemia in his 50's.
There is also a conspiracy that the Tsunami near there in 2004, was artificially created by a 'Tsunami Bomb'.
...and those who were seen dancing were thought to be insane by those who could not hear the music.FN