Suppose The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR. It is considered the worst nuclear disaster in history and is one of only two nuclear energy accidents rated at seven—the maximum severity—on the International Nuclear Event Scale.
Can we infer that "The Chernobyl disaster was a minor incident."? Yes, no, or maybe?