Seismic waves
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Seismic Waves PowerPoint PPT Presentation


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Seismic Waves. Types of Wave Propagation. Body Waves P & 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.

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Seismic Waves

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Seismic waves

Seismic Waves

Types of Wave Propagation


Body waves p s waves

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 compressional primary wave body wave longitudinal

P CompressionalPrimary Wave Body wave Longitudinal


S shear secondary wave body wave transverse

S Shear Secondary Wave Body waveTransverse


Body waves p s waves1

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 waves rayleigh love waves

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.


Seismic waves

Surface WavesRayleigh & Love Waves


Reference wave properties

Reference Wave Properties

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


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