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BookmarkA seismic wave is a wave that travels through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion.
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There are two types of seismic wave, namely, 'body wave' and 'surface wave'.
There are two kinds of body waves: primary (P-waves) and secondary (S-waves).
Surface waves are analogous to water waves and travel just under the Earth's surface.
They travel more slowly than body waves..
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