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Comparison Items List ![]() 1980 Mount St. Helens initial debris surge = 500 kilometers/hour 1993 Mississippi River flood, peak flow rate = .11 cu kilometers/hour Chicago's O'Hare Airport = 28.3 square kilometers Delaware = 6,447 square kilometers Eiffel Tower = 321 meters Empire State building = 381 meters Football field (not including end zones) = 4,504 square meters Goodyear blimp = 5,740 cubic meters Highest posted Interstate limit (Texas, 2005) = 129 kilometers/hour HMS Titanic = 232,000 cubic meters (tanker equivalent) Lake Erie = 483 cubic kilometers Lake Superior = 12,230 cubic kilometers Maine = 91,700 square kilometers Marathon race, standard = 42.2 kilometers Minimum hurricane = 121 kilometers/hour Mississippi River daily output = 1.4 cubic kilometers Mississippi River, northern Minnesota to New Orleans = 3,705 kilometers Mount Everest = 8,850 meters high New York City to Washington, D.C. = 386 kilometers Niagara Falls (Horseshoe Falls only) = 792 meters wide Niagara Falls (Horseshoe Falls only) = 51 meters high Ohio = 116,500 square kilometers Peak of a two-story house = 10 meters high Rhode Island = 2,707 square kilometers San Francisco's Golden Gate Bridge, shore to shore = 2.7 kilometers Semi-truck trailer (15 meters) = 102 cubic meters Space shuttle shortly after entering atmosphere = 28,200 kilometers/hour Tennis court, between base lines = 23.8 meters Texas = 713,300 square kilometers World-class sprinter, hundred meter dash (Asafal Powell, 2005) = 36.9 kilometers/hour Utility pole, common = 11 meters high Washington Monument = 170 meters high |