Earthquake Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Earthquake | a vibration of the earth produced by a rapid release of energy
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| Focus | the actual point in the earth's crust where earthquake waves begin
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| Faults | surfaces along which rocks have fractured and been displaced.
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| Continental Drift | Wegner's theory that the continents were once all one piece
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| Plate Tectonics | when the plates move into eachother and form ridges and mountains, or cracks
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| Earth's Crust | made up of many rocks, and is around 25 miles thick. all of the earthquakes start in the crust
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| San Andreas Fault Line | a 1300 mile long fault that runs through California. A huge earthquake happened here.
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| Elastic Energy |
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| Elastic Rebound | When the crust moves and suddenly flies back to it's original position
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| Fault Creep |
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| Stick Slip |
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| Foreshocks | small earthquakes that happen before major earthquakes
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| Aftershocks | Small earthquakes that happen after a major earthquake
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Created by:
dmakepeace
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