A hazard that has the potential to affect peoples lives and property
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What are two types of crust and how are they different?
OCEANIC - more dense and thinner CONTINENTAL - less dense and thicker
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Name the four parts of the earth
Inner core, outer core, mantle and crust
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What are the slabs of plate called
Tectonic plates
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Why are the tectonic plates moving
convection currents in the mantle
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Name the four types of plate boundary
Collision, destructive, constructive and conservative
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Name the three places volcanoes start
hot spots, destructive plate boundaries and constructive plate boundaries
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What is a hot spot?
Part above the mantle that is extremely hot..volcanoes form here
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Give an example of a hot spot
HAWAII...aloha
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What is an epicentre?
The point directly above the focus on the earth surfaces, where the biggest shock waves are felt and most damage is done
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What is the focus?
The point in the earth at which the earthquake starts, shock waves spread out from here
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What is magnitude?
The energy released from the eartquake
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Give me an example of a volcanic eruption in an LEDC AND MEDC
Nevado del Ruiz in Colombia, 1985 and Mt Etna Sicily 2002
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Give me an example of an earthquake in and MEDC and LEDC
North ridge California, 1994 and Sichuan China 2008
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Why is damage worse in LEDC?
poor quality housing, poor infrastructure, little money, poor healthcare
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Why do people live near volcanoes?
fertile soil from ash and lava as they contain important nutrients, geothermal energy, volcanoes are a tourist attraction and the rocks provide good source of metal
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Other cards in this set
Card 2
Front
What are two types of crust and how are they different?
Back
OCEANIC - more dense and thinner CONTINENTAL - less dense and thicker
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