2015-11-23 / 最終更新日 : 2019-05-05 Aki@英語ニュース 自然環境 日本沖の新しい火山島がまだ成長中【New volcanic island off Japan still growing】 The Japan Coast Guard said on Friday a remote Pacific island south of Tokyo has grown twelve times in its size since it was formed by an undersea eruption two years ago.