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1
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pattern of lines
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2
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instrument that records earthquakes
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3
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a fold in rock that bends upward
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4
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vast area of geologic activity
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5
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Point above the focus
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6
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shaking resulting from movement of rock
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7
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a fold in rock that bends downward to form a V shape
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8
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large, flat, elevated areas of land
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9
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rates the amount of shaking from earthquakes
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11
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the point where the crust begins to break resulting in an earthquake
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13
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Pulls rock to thin it out in the middle (a type of stress)
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14
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Pulls rock in opposite directions (a type of stress)
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17
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bends in rock that form from compression
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21
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compress and expand the ground(seismic waves)
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22
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A force that acts on rock to changes its shape or volume
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25
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Secondary waves
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