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Lecture 2

Earth Science - Lecture 2 Notes.docx

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Department
Earth Sciences
Course
EARTHSC 2GG3
Professor
Sergei Basik
Semester
Fall

Description
Lecture 2 September 10, 2013 Natural Hazards and Disasters: Initial Concepts Natural Hazard, Natural Disaster and Catastrophe  Natural processes can be potentially dangerous  Ex. rain can become extreme (torrential, etc.)  Becomes extreme when it is threatening to human life and property  Not extreme when it is in the middle of the pacific ocean because does not threaten human life  Natural disasters are defined by human consequences (life & property)  Levels of natural events: 1) Potential hazard 2) Extreme 3) Catastrophe: when over a certain amount of people are killed (depends on place) Classifications of Natural Disasters  1 Classification (based on origin) o Geophysical: based on internal energy of the planet (ex. earthquakes, volcan
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