Date Spill NameLocationSize of Spill (Tons) January 1991Gulf War Oil SpillPersian Gulf1,500,000* April 2010Deepwater HorizonGulf of Mexico580,000 June 1979Ixtoc I oil wellGulf of Mexico454,000 July 1979Atlantic Empress/Aegean Captain Caribbean Sea287,000 March 1992Fergana ValleyUzbekistan285,000 February 1983Nowruz oil fieldPersian Gulf260,000 May 1991ABT SummerAngolan coast260,000 August 1983Castillo de BellverCape Town, South Africa252,000 March 1978Amoco CadizOff the coast of Brittany, France223,000 April 1991The HavenOff the coast of Italy145,000 Top 10 Worst Oil Spills: By Volume of Oil Spilled Source: Insurance Information Institute