About 180 eruptions of Mount Fuji have been confirmed over the past ... ash should become entrapped in filters at thermal-powered plants. Blackouts could occur if ash mixed with moisture ...

Several centimeters of ash would clog the filters at power plants. Visibility would diminish to zero. An eruption on the scale of Mount Fuji's last eruption could go on for two weeks, the panel said.

Several centimeters of ash would clog the filters at power plants. Visibility would diminish to zero. An eruption on the scale of Mount Fuji's last eruption could go on for two weeks, the panel said.

Residents have been advised to stay home to avoid panic and stock up on groceries if Mount Fuji erupts and covers Tokyo in ash, according to guidelines released by a government expert panel.