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| The shaking of Earth's crust caused by a release of energy |
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| A break in the lithosphere along which movement has occurred |
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| The point at which the first movement occurs during an earthquake |
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| The point on Earth's surface directly above the focus of an earthquake |
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| Waves of energy that travel from the focus of an earthquake through the material of Earth's body; P waves and S waves are two types of body waves |
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| Body waves that squeeze and stretch as they pass through Earth; also known as compressional waves or primary waves |
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| Body waves that cause particles of rock material to move at right angles to the direction in which the waves are traveling; also known as shear waves or secondary waves |
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| Earthquake waves that travel along Earth's surface; Love waves and Rayleigh waves are two types of surface waves |
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| An instrument that detects and records waves produced by earthquakes |
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| The recording of an Earthquake made by a seismograph |
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| The measure of the amount of energy released in an earthquake |
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| A temporary state in which loose soil and rock materials take on the property of liquid, often as a result of severe ground-shaking |
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| A smaller earthquake that follows a larger earthquake |
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| A large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption |
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| Cause particles of material to move from side to side, in a direction perpendicular to the waves direction of travel |
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| Travel more slowly than love waves and cause particles of material to move in elliptical patterns. |
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