Rick Matthews
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Learn the difference between body waves and surface waves, and between P-waves and S-waves, in this Earth Observatory of Singapore article. Body waves travel through the Earth's interior, while surface waves only at the surface, and P-waves are compression waves, while S-waves are shear waves.
Learn about the two types of body waves, P and S, that travel through the Earth's interior and arrive before surface waves. Find out how they differ in speed, frequency, motion, and ability to pass through liquids.
Jun 4, 2024 · Learn about seismic waves, vibrations generated by earthquakes or explosions and propagated within the Earth or along its surface. Find out how P, S, Love, and Rayleigh waves differ in their motion, speed, and use in seismology and geophysics.
Apr 11, 2020 · Learn about seismic waves, energy waves generated by earthquakes or explosions that propagate within the Earth or on its surface. Find out the difference between body waves (P and S) and surface waves (Rayleigh and Love), and how they are used to study Earth's structure and activities.
Learn about the two types of body waves that travel through the earth's interior: P-waves and S-waves. Find out how they are produced, how they propagate, and how they are affected by the properties of different materials.
Body waves travel through the interior of the Earth along paths controlled by the material properties in terms of density and modulus (stiffness). The density and modulus, in turn, vary according to temperature, composition, and material phase. This effect resembles the refraction of light waves.
Jan 1, 2014 · There are two main kinds of body waves: P-waves and S-waves, so-named because they are the primary and secondary waves detected by a seismograph (Figure 1). The P-wave is always the first wave to arrive at a seismometer, closely followed by its reflection from the surface and S-waves arrive next.
