All Natural Hazards Flashcards

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What are the characteristics of the inner core?
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A solid mass of iron and nickel. The hottest part of the Earth. Temperatures up to 5,550°C. 
What are the characteristics of the inner core?
Identify the type of volcano that forms on constructive plate margins
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Shield volcano

Identify the type of volcano that forms on constructive plate margins
Give an example of two tectonic plates that form a conservative plate margin.
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North American and Pacific plates, Cocos and Nazca plates, Arabian and Indo-Australian plates and the African and Eurasian plates.
Give an example of two tectonic plates that form a conservative plate margin.
What factors affect hazard risk?
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Factors include:

  • An increase in the number of people vulnerable to the natural hazard (e.g. population growth & increased population density close to hazard-prone areas)
  • An increase in the frequency and magnitude of the natural hazard
  • A decrease in the number of people capable of coping with the natural hazard
What factors affect hazard risk?
Do volcanoes and earthquakes occur at all plate margins?
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Volcanoes and earthquakes occur at all plate boundaries except at a conservative margin where only earthquakes happen.
Do volcanoes and earthquakes occur at all plate margins?




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