Tokyo's next Grim ... disaster victims are buried in mass graves New earthquake warning for Tokyo CAPITAL – home to 39m people – is facing devastation as a new quake threat hits Japan TEEMING Tokyo is facing devastation as a new earthquake threat hits Japan. Experts warned last night that the capital - home to 39 million people - is near a spot where massive pressures are set to erupt under the earth's crust. The resulting quake won't be as violent as the 8.9-scale disaster that triggered the tsunami on March 11. Last respects ... family buries a fallen loved one AP But Tokyo - 200 miles from the epicentre of that quake - is packed with high-rise buildings. British Geological Survey expert Roger Musson said: "Even if you got, let's say, a 7.5, that would be serious." The alert came as serious levels of radioactivity were found in food produced in Japan.