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## PowerPoint Slideshow about ' Seismic Waves' - urit

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### Seismic Waves

Types of Wave Propagation

Body WavesP & S Waves

- P and S waves are often called body waves because they propagate outward in all directions from a source (such as an earthquake) and travel through the interior of the Earth.

P CompressionalPrimary Wave Body wave Longitudinal

S Shear Secondary Wave Body waveTransverse

Body WavesP & S Waves

- In the animations shown here, the P and S waves are shown propagating horizontally, parallel to the Earth’s surface.

Surface WavesRayleigh & Love Waves

- Love and Rayleigh waves are surface waves and propagate approximately parallel to the Earth’s surface.
- Although surface wave motion penetrates to significant depth in the Earth, these types of waves do not propagate directly through the Earth’s interior.

Surface WavesRayleigh & Love Waves

Reference Wave Properties

For more descriptions/information click on http://www.tjhsst.edu/~jlafever/wanimate/Wave_Properties2.html

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