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Seismic waves Section 4
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Vocabulary Seismic wave P wave S wave Surface wave Tsunami Seismograph
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Seismic wave A wave produced by an earthquake.
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P wave A longitudinal seismic wave. s wave A tranvsverse seismic wave.
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Surface wave A combination of a longitudinal wave and a transverse wave that travels along the surface of a medium.
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tsunami A huge surface wave on the ocean caused by an underwater earthquake.
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seismograph An instrument used to detect and measure earthquake waves.
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