Top 10 Man Made Disasters

Top 10 Eco Disasters Caused by Humans Subscribe A manmade disaster is one in which many deaths and destruction are caused by error or negligence on the part of human beings. WatchMojo counts down the ten worst manmade disasters. List Entries and Rank:, 10. Three Mile Island Accident, Dauphin County, Pennsylvania (1979) , 9. Exxon Valdez Oil Spill, Prince William Sound, Alaska (1989) , 8. Dust Bowl or Dirty Thirties, Great Plains, USA and Canada (19341936) , 7. Seveso Disaster, Seveso, Italy (1976) , 6. Minamata Disease, Minamata Bay, Japan (195060s) , 5. Love Canal Disaster, Niagara Falls, New York (194050s, 78) , 4. Great Smog of 5or Big Smoke, London, England (1952) , 3.