Pictures released by the Japanese coast guard show a new island forced up by an underwater volcanic eruption in the seas a thousand kilometres south of the capital Tokyo.
Authorities say it is yet too early to determine if the landmass is here to stay.
The islet is 600ft in diameter and appeared off the south coast of Tokyo
It is made up of volcanic lava and rocks forced from the ocean bed Footage showed smoke and ash billowing from the islet on Wednesday
Volcanologists have warned the islet may be eroded by the tide
Eruptions in the 1970s and 80s caused similar islands to rise before falling
Read more: http://www.dailymail.co.uk/sciencetech/article-2511115/Volcanic-eruption-Pacific-Ocean-creates-new-island-coast-