Hazards and Structure of the Earth Flashcards
Give two possible reasons why tectonic plates move.
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Convection currents & Slab pull (+ ridge push).
Give two possible reasons why tectonic plates move.
Describe the global distribution of volcanoes and earthquakes
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Earthquakes are found along all types of plate margins. Volcanoes, however, only occur at constructive and destructive plate margins. Volcanoes are also found away from plate margins at volcanic hot spots such as Hawaii in the Pacific Ocean.
Describe the global distribution of volcanoes and earthquakes
Some volcanoes occur in the middle of plates. What are these known as?
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Volcanic hotspots
Some volcanoes occur in the middle of plates. What are these known as?
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?
Give an example of a location where volcanoes occur at a volcanic hot spot.
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Hawaii, Yellowstone and The Deccan Traps.
Give an example of a location where volcanoes occur at a volcanic hot spot.
