Lecture1 - Introduc)on to Natural Hazards and Disasters...

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Introduc)on to Natural Hazards and Disasters EARTHSS17 Catastrophes Lecture 1 Jan 7 2013
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Natural’process which’poses’threat’to’human’ life’or’property’ Natural Hazard Physical, chemical, and biological ways in which events afect Earth’s surFace Internal External
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Everyday-Natural Processes Produce Large Efects
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Infrequent Catastrophic Events Have Sudden and Major Impacts Disrup5on’of’temporary’ equilibrium ’between’ opposing’influences’
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Large Events Are Part of Nature – Disastrous If They AFect People § Natural disaster :’Natural’event’that’causes’signifcant’ damage’to’liFe’or’property’ § Limited’5me’&’area’ § ≥100’people’a±ected’or’≥10’people’killed’ § State’oF’emergency’declared’/’Interna5onal’assistance’requested’ § Catastrophe :’Natural’event’that’kills’or’injures’large’ numbers’oF’people’or’causes’major’property’damage’
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Figure 1.3 Poten)al Impact of Natural Hazards Relates to Loca)on
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Figure 1.3 Poten)al Impact of Natural Hazards Relates to Loca)on
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Lecture1 - Introduc)on to Natural Hazards and Disasters...

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