Source: NOAA / Wikimedia Commons
21. Massachusetts
> Natural disaster: Worcester Tornado
> Date: June 9, 1953
> Fatalities: 90
> Other event considered: Great New England Hurricane-1938
Source: State of Michigan
22. Michigan
> Natural disaster: Great Michigan Fire
> Date: Sept. 5, 1881
> Fatalities: 282
> Other event considered: Flint tornadoes-1953
Source: Minnesota Historical Society
23. Minnesota
> Natural disaster: Cloquet Fire
> Date: Oct. 12, 1918
> Fatalities: 450
> Other event considered: Twin Cities Tornadoes-1965
Source: Mark Wilson / Getty Images
24. Mississippi
> Natural disaster: Hurricane Katrina
> Date: Aug. 23-31, 2005
> Fatalities: 238
> Other event considered: Mississippi River Flood-1927
Source: KOMUnews / Wikimedia Commons
25. Missouri
> Natural disaster: Joplin Tornado
> Date: May 22, 2011
> Fatalities: 158
> Other event considered: Great Flood-1951
