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    Can someone explain how Dregg's model shows what a disaster is?
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     Official Rep
    Sorry you've not had any responses about this. Are you sure you’ve posted in the right place? Posting in the specific Study Help forum should help get more responses. Hopefully someone will be able to get back to you

    Dregg's model states that there are two factors, size of the hazard and the vulnerability of the population. If the magnitude of the hazard is large, such as a magnitude 9 earthquake, but there is little infrastructure of population density near the epicentre, then no one will experience the hazard and the disaster is small and weak. Therefore if an earthquake has a magnitude of 6 but was situated in the middle of a city, this would be a greater disaster than that of a magnitude 9 in the middle of the ocean as more people would be impacted.
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