For a series of accidents happening at TEPCO’s Fukushima Daiichi Nuclear Power Station, Nuclear and Industrial Safety Agency of the Ministry of Economy, which released large amounts of radioactive substances that affect human health and the environment in a wide range As an assessment based on international standards of the accident, the worst “level seven” decided to raise. “Level 7″ is the same as the evaluation occurred in the Soviet Chernobyl disaster. Nuclear Safety Agency, 12, held a press conference with the Nuclear Safety Commission has decided to publish the contents of the evaluation. …

The Japanese government’s nuclear safety agency has decided to raise the crisis level of the Fukushima Daiichi power plant accident from 5 to 7, the worst on the international scale

The Nuclear and Industrial Safety Agency made the decision on Monday. It says the damaged facilities have been releasing a massive amount of radioactive substances, which are posing a threat to human health and the environment over a wide area. …

Level 7 has formerly only been applied to the Chernobyl accident in the former Soviet Union in 1986 when hundreds of thousands of terabecquerels of radioactive iodine-131 were released into the air. One terabecquerel is one trillion becquerels.

The agency believes the cumulative amount from the Fukushima plant is less than that from Chernobyl. …