EQ-lect2

EQ-lect2 - Earthquakes And other Natural Hazards Last...

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Unformatted text preview: Earthquakes And other Natural Hazards Last lecture Natural Hazards Natural process that poses a threat to (human) life [or property] Natural Disasters Natural process that causes significant damage to (human) life [or property] Natural Catastrophe Natural process that causes high fatalities and major property damage Prediction? We know it will happen We know where (approximately) it will happen We do not know where exactly it will happen We do not know when it will happen But: we can estimate probabilities! Frequency and Magnitude Frequency: f Magnitude: M M 1/f 3/31/2009 topic Plate Tectonics questions What is plate tectonics? How thick is Earths crust? How do seafloors spread? What are convergent and transform boundaries? What natural hazards are associated with plate boundaries? Abraham Ortelius (1527-1598) Abraham Ortelius (1527-1598)...
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EQ-lect2 - Earthquakes And other Natural Hazards Last...

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