FILE JAPAN MOUNT FUJIThe eruption of Mount Ontake has raised fears that more of Japan’s 110 active volcanoes could spring into life with little or no warning, with experts admitting they simply do not know when and where the next eruption will occur. On the list of the 47 peaks most at risk, according to the Japan Meteorological Agency, is Mount Fuji, one of the most recognisable landmarks in the Asian country. Less then 90 miles from Tokyo, any major eruption of the 12,388-foot mountain would have a catastrophic impact on a nation still struggling to shrug off the after-effects of the March 2011 Tohoku earthquake. And some volcano experts have told The Telegraph trouble is brewing beneath Japan’s highest mountain. In July, a team of scientists from France and Japan issued a paper in which they warned that Mount Fuji is “under great pressure” as a result of the Tohoku earthquake and at an elevated risk of erupting. More