A volcanic eruption hundreds of miles south of Tokyo forms a new island . `` A lot of it depends on how fast it erodes , '' said Ken Rubin , a University of Hawaii at Manoa professor and expert in deep submarine volcanism . Score: 6 ` It 's too soon to tell '' if the island will grow or erode into the sea , expert says .
A volcanic eruption hundreds of miles south of Tokyo forms a new island . Score: 6 ` It 's too soon to tell '' if the island will grow or erode into the sea , expert says .