Lecture 12 - Lecture 12 (9/15/10) Chapter 5 Natural...

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Lecture 12 (9/15/10) Chapter 5 Natural Hazards: Overview - People have always had to cope with natural hazards - Plate tectonics Earthquakes Volcanoes - Land instability - Extreme weather Tropical cyclones Tornadoes Dust storms Floods Droughts - Fires - Coastal Processes Wave action Storm surges Tsunamis - As human population increases, the magnitude of disasters caused by these hazards will probably be exacerbated - (make sure you check out extra info on web/blackboard about the exponential equations and stuff) Earthquakes
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- Earthquakes are shock or seismic waves that result when large masses of rock in the Earth’s crust move relative to each other - Earthquakes are a constant threat to human life & can cause extensive damage to human settlements: o Ground motion Ground shaking o Ground failure Landslides o Fires o Measuring Earthquakes
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Lecture 12 - Lecture 12 (9/15/10) Chapter 5 Natural...

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