about 90 percent of the amount in Michigan: $26,607 Â±$97 $34,500 Â±$17,135 Median household income about three-quarters of the amount in Berrien County: $44,993 Â±$1,009
These events played out three timesâat the US state of Pennsylvaniaâs Three Mile Island Nuclear Power Plant in 1979, at then-Soviet Ukraineâs Chernobyl Nuclear Power Plant in 1986, and at Japanâs Fukushima Daiichi in 2011.
In the aftermath of the accident, the investigations focused on the amounts of radioactivity released by the accident. The official figures have been disputed by a number of insiders, who have suggested figures hundreds or thousands of times higher (see Three Mile Island accident#Release of radioactive material).