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| the shaking that results from the movement of rock beneath Earth's surface. |
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| a force that acts on rock to change its shape or volume. |
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| Any change in the shape of Earth's crust |
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| Stress that pushes a mass of rock in two opposite directions |
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| a stress that pulls on the crust, stretching rock so that it becomes thinner in the middle. |
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| a break in the crust where two slabs of crust slip past each other. |
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| A strike-slip fault that forms the boundary between two plates |
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| a stress force that squeezes rock until it folds or breaks. |
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| bends in rock that form when compression shortens and thickens part of Earth's crust. |
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| A fold in rock that bends upward into an arch |
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| A fold in rock that bends downward in the middle to form a bowl |
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| the place within the Earth where the rock breaks, producing an earthquake.It is the earthquake's underground point of origin. |
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| a vibration that travels through Earth carrying the energy released during an earthquake. |
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| the point on Earth's surface directly above an earthquake's focus. |
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| a type of seismic wave that compresses and expands the ground |
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| a type of seismic wave that moves the ground up and down or side to side. |
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| records ground movements caused by seismic waves |
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| records the vibrations from earthquakes. |
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| Is the measurement of earthquake strength based on the seismic waves and movements on fault lines. |
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| measures the amount of energy that an earthquake releases. |
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| Measures the amount of damage from an earthquake. |
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| an earthquake that occurs after a larger earthquake in the same area. May strike hours, days, or even months later |
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| Occurs when an earthquake’s violent shaking turns loose soil into liquid mud. Causes the ground to sink and pull apart. |
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