We where known that Japan's Fukushima Daiichi Nuclear Power Plant accident was due to the damage in coolent supply line and caused core melt down.
That was first rated as INES-5 accident (International nuclear event scale), then it was rated level 7 on 11 April 2011 by the Japanese government's nuclear safety agency.
|International nuclear event scale (INES)|
|Emergency cooling system at Unit-1|
An independent report says Japan's response to the nuclear crisis that followed the March 11th earthquake and tsunami was woefully unprepared. The report issued Monday lists problems ranging from an erroneous assumption that an emergency cooling system was working, to a delay in disclosing dangerous radiation leaks.
The interim report was compiled by an independent panel after interviewing over 400 people, including utility workers and government officials.
The report criticized the Tokyo Electric Power and government regulators for failing to think beyond the risks for which the Fukushima nuclear plant was designed.
The report criticized the use of the term “soteigai,” meaning “outside our imagination,”
“This accident has taught us an important lesson on how we must be ready for soteigai,” it said.
The SOTEIGAI is not only for the workers of nuclear powerplant, we also have to learn "Never forget to think outside the box"...
Recently a number of people observed a fast near the Koodankulam Nuclear Power Station. This power station consists of two reactor units, ea...