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Ch01 6slides pp - Natural Disasters the Human Population...

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1 Natural Disasters & the Human Population the Human Population Chapter 1 Chapter 1 GEOL 171 GEOL 171 Earthquakes and Natural Disasters Hazard Source of Danger that has the Potential to: • Cause harm –Injury, disease, death • Damage/destroy property • Deteriorate/destroy environment Natural Hazards Number of natural processes that pose continuous risk to humans. • Many are catastrophic • Expanding populations has increased exposure. Natural Disasters Are the result of extreme events of high-energy natural phenomena acting on a restricted area over a short period of time . Natural Hazards - Disasters • Earthquakes • Volcanic activity • Landslides and avalanches (mass movements) • Storms (tornadoes and hurricanes) • Floods • Fires • Heat waves • Meteorite impacts Natural Disasters 2004-2005 More than 280,000 people killed in 2004 Almost 100,000 in 2005 2005 Pakistan earthquake : 88,000 people killed 3.3 million left homeless; landslides 2 nd wave of deaths from winter storm 2005 Hurricane Katrina : Costliest disaster in US 2004 Hurricane Ivan was close miss 2005 Hurricane Katrina was direct hit on Mississippi, engulfed much of Gulf Coast Failure of Mississippi River and Lake Pontchartrain levees flooded parts of New Orleans up to 20 feet
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