Tourists in Chernobyl The Chernobyl disaster was a catastrophic nuclear accident that occurred on 26 April 1986 at the No. 4 nuclear reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR. Next Page » Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 2019-06-13 news