L. Braile, Purdue University Seismic Wave Demonstrations and Animations Seismic Wave Demonstrations and Animations web.ics.purdue.edu... Ondas Tipos P, S, R y L web page ‚Äéweb.ics.purdue.edu/~braile/edumod/waves/WaveDemo.htm Demo L. Braile's web page Ondas Tipos P, S, R y L L. Braile's web page Seismic waves Earthquakes generate four main types of seismic waves surface waves, poor P-waves, and weak S-waves http://web.ics.purdue.edu/~braile/edumod/waves/WaveDemo.htm Ondas Tipos P, S, R y L Seismic Wave Demonstrations and Animations L. Braile, Purdue University web page IRIS seismic waves