Question

Is that true that Chernobyl, Russia(April 1986) is the worst disaster from the nuclear power plant​

Answer 1

Answer:

It is considered the worst nuclear disaster in history both in terms of cost and casualties, and is one of only two nuclear energy accidents rated at seven—the maximum severity—on the International Nuclear Event Scale, the other being the 2011 Fukushima Daiichi nuclear disaster in Japan.