How P Waves Travel | Britannica

P and S Waves Animation on Make a GIF

Seismic Waves: P-Waves, S-Waves, Velocities, and Earth's Interior - SlideServe

Earthquake Analysis. Earthquakes produce several types of shock waves. The most well known are the P-waves (P for primary or pressure) and the S-waves (S for secondary or shear). In the earth's crust, the P-waves travel at around 6.5 km / s, while the S-waves move at about 3.5 km / s . The actual speeds vary depending on the type of material they are going through. The time delay between the arrival of these two waves at a seismic recording station tells gologists how far away the earthquake occ

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P-Waves vs. S-Waves | Definition, Causes & Equation