<P> Among the many types of seismic waves , one can make a broad distinction between body waves , which travel through the Earth , and surface waves , which travel at the Earth 's surface . </P>
<P> Among the many types of seismic waves , one can make a broad distinction between body waves , which travel through the Earth , and surface waves , which travel at the Earth 's surface . </P>
a seismic wave that travels along the earth surface
a seismic wave that travels along the earth surface
surface waves
surface waves