International Nuclear Event Scale
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![International Nuclear and Radiological Event Scale [MOE]](/imgres?imgurl=https://www.env.go.jp/en/chemi/rhm/basic-info/1st/img/img-02-02-01.png&imgrefurl=https://www.env.go.jp/en/chemi/rhm/basic-info/1st/02-02-01.html&h=720&w=960&tbnid=2LnApWrS5yyU4M&q=International+Nuclear+Event+Scale&tbnh=111&tbnw=148&usg=AI4_-kQ_efeEqBdPB9LGjy69bZ7UrALi6w&vet=1&docid=yvcF4J6S95KnFM&sa=X&ved=2ahUKEwi23IiYv_uFAxWXC3kGHWFdD2YQ9QF6BAgAEAk)
The International Nuclear and Radiological Event Scale was introduced in 1990 by the International Atomic Energy Agency in order to enable prompt communication of safety significant information in case of nuclear accidents. Wikipedia