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6 Cards in this Set
- Front
- Back
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Tremors
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Small movements of the Earth's crust. We can't feel the Earth move.
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Earthquake
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Large movements of the Earth's crust. We can feel the Earth move.
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Fault
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The break in the rock that is underground.
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Focus
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The place the rock first breaks.
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Epicenter
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The place on the Earth's surface that is directly above the focus.
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Scale
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A way to measure. Scientists use the Mercalli scale to measure earthquakes.
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