36. Oklahoma
> Natural disaster: Glazier-Higgins-Woodward tornadoes
> Date: April 9, 1947
> Fatalities: 113
> Other event considered: Tornado outbreak-1999
37. Oregon
> Natural disaster: Heppner Flash Flood
> Date: June 2, 1903
> Fatalities: 247
> Other event considered: Vanport Flood-1948
38. Pennsylvania
> Natural disaster: Johnstown Flood
> Date: May 31, 1889
> Fatalities: 2,209
> Other event considered: Flood-1996
39. Rhode Island
> Natural disaster: Great New England Hurricane
> Date: Sept. 21, 1938
> Fatalities: 100
> Other event considered: Great Gale-1815
40. South Carolina
> Natural disaster: Sea Islands Hurricane
> Date: Aug. 15, 1893
> Fatalities: 2,000+
> Other event considered: Charleston Earthquake-1886