10 Worst US Disasters in the Last 101 Years
from Popular Mechanics Magazine.
1906: San Francisco Earthquake Fire
1910: The Big Burn
1918: Spanish Flu Pandemic
1925: Tri-State Tornado
1938: The New England Hurricane
1964: The Great Alaskan Earthquake
1974: Super Tornado Outbreak
1980: Mount St. Helens Eruption
1993: Storm of the Century
2005: Hurricane Katrina