Keywords: Earthquake wave paths.svg Vectorized Hardwigg Earthquake wave paths gif Cross section of the whole Earth showing the complexity of paths of earthquake waves The paths curve because the different rock types found at different depths change the speed at which the waves travel Solid lines marked P are compressional waves; dashed lines marked S are shear waves S waves do not travel through the core but may be converted to compressional waves marked K on entering the core PKP SKS Waves may be reflected at the surface PP PPP SS Seismographs detect the various types of waves Analysis of such records reveals structures within the Earth http //pubs usgs gov/gip/interior/fig2 gif ; original upload in english wikipedia 15 April 2005 by SEWilco en Image Earthquake wave paths gif SEWilco PD-USGov-Interior-USGS PD-USGov Earthquake wave paths he jpg Earthquake wave paths de svg Earthquake wave paths uk svg Seismograms Earthquakes Structure of the Earth Created with Inkscape |