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3
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A mountain that forms as continental crust is compressed and rocks bend into large folds.
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4
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Molten rock that reaches a planet’s surface through a volcano.
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5
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A process in which the shaking of ground causes loose, wet soil to act like a liquid.
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6
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A fracture in Earth’s lithosphere along which blocks of rock move past each other.
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8
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A dense cloud of superheated gases and rock fragments that moves quickly downhill from an erupting volcano.
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10
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An instrument that constantly records ground movements.
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11
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A water wave caused by an earthquake, volcanic eruption, or landslide.
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12
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A shaking of the ground caused by the sudden movement of large blocks of rocks along a fault.
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13
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The vibrations caused by an earthquake.
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1
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A recording of seismic waves.
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2
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The point on Earth’s surface directly above the focus of an earthquake.
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3
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A mountain that forms as blocks of rock move up or down along normal faults in areas where the lithosphere is being pulled apart.
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7
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An opening in the crust through which molten rock, rock fragments, and hot gases erupt.
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9
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In an earthquake, the point underground where the rocks first begin to move.
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13
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The forces applied by an object pressing on, pulling on, or pushing against another object.
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