EARTHSC 2GG3 Lecture 1: Earth Sci 2GG3 Entire Course Notes Part 1

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Can we predict when natural hazards will happen. Natural hazard natural process which poses threat to human life or property. Natural disaster natural event that causes significant damage to life or property. Catastrophe natural even that kills or injures large numbers of people or causes major property damage. Potential impact relates to size of event and location. High damage if heavily populated area and vise versa. Forecast - probability that a natural event of a particular magnitude will happen within a certain recurrence interval or frequency, on average not fixed schedule. Exposure degree to which a particular hazard or phenomenon can occur. Sensitivity potential degree to which an individual or community could be affected by a natural hazard. Vulnerability degree to which a person, community, or system is adversely affected by a hazard (= exposure + sensitivity) Mitigation taking actions to physically reduce exposure of the community to the hazard.

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