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27 Cards in this Set
- Front
- Back
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Name the 3 plate boundaries |
Conservative, destructive, constructive |
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Which crust is denser? |
Oceanic |
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How many people died in the Nepal earthquake? |
8841 |
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How many people died in the L'aquila earthquake? |
308 |
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What percentage of hospitals were destroyed in Nepal? |
50 |
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How many people were injured in Nepal? |
16,800 |
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How many people were made homeless in Nepal? |
1 million |
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How many years will it take to rebuild L'aquila? |
15 |
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Iceland is located where? |
The mid Atlantic ridge |
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Volcano
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An opening in the earths crust from which lava, ash and gases erupt
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Tectonic Plate
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A rigid segment of the Earths crust
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Tectonic Hazard
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A natural hazard created by movement of tectonic plates
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Shield Volcano
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A wide, low volcano that erupts runny lava. Occurs at constructive plate boundaries
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Slab Pull
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When the weight of a dense tectonic plate is subducted in to the mantle
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Secondary effects
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The after-effects that occur as indirect impacts
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Rift Valley
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A steep sided valley caused by 2 tectonic plates moving away from each other on land at a constructive plate boundary
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Ridge Push
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When gravity causes the ridge to push on the lithosphere and move tectonic plates.
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Richter Scale
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A logarithmic scale used for measuring the magnitude (strength) of an earthquake
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Primary effects
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The initial impact of a natural event on people and property
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Plate margin/boundary
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The boundary or margin between 2 tectonic plates
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Ocean Ridge
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An underwater mountain range caused by 2 tectonic plates moving away from each other at constructive plate boundaries.
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Mantle
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The area below the earths crust
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Hazard Risk
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The probability or chance that a natural hazard may take place
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Destructive plate margin
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Where two plates are coming together and the oceanic plate is subducted
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Core
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The centre of the earth made out of iron and nickel
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Composite volcano |
A steep sided dome shaped volcano
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