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| a smaller earthquake that follows a larger 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 2 types |
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Definition
| the shaking of Earth's crust caused by a release of energy |
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| point on Earth's surface directly above the focus of an earthquake |
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Definition
| break in the lithosphere along which movement has occurred |
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| point at which the first movement occurs during an earthquake |
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| 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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| measure of the amount of energy released in an earthquake |
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| body waves that squeeze and stretch rock materials 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; or shear waves or secondary waves |
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| an area along a seismically active fault where no earthquake activity has occurred over a long period of time |
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Definition
| recording of an earthquake made by a seismograph |
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Definition
| instrument that detects and records waves produces by earthquakes |
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Definition
| earthquake waves that travel along Earth's surface; Love waves and Rayleigh waves are 2 kinds |
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Definition
| large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption |
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