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==see also==* earthquake early warning (japan)* lamb waves* longitudinal wave* love wave* s-wave* seismic wave* surface wave==references====external links==*animation of a p-wave*p-wave velocity calculator*purdue's catalog of animated illustrations of seismic waves*animations illustrating simple wave propagation concepts by jeffrey s. barker*detection of p-waves and rejection of environmental noise for accurate earthquake early warning
* Κύμα s* Διαμήκες κύμα* Κύμα επιφάνειας*animation of a p-wave*purdue's catalog of animated illustrations of seismic waves*animations illustrating simple wave propagation concepts by jeffrey s. barker*detection of p-waves and rejection of environmental noise for accurate earthquake early warning