S-wave

Posted on February 1, 2008 by geo3

Secondary seismic waves. A seismic wave with a direction of vibration that is perpendicular to the direction of travel. S-waves are slower than P-waves and travel only through solids.

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S wave

Posted on March 26, 2005 by geo3

A seismic body wave propagated in the crust or mantle of the earth by a shearing motion of material; speed is 1.9-2.5 miles (3-4 kilometers) per second in the crust and 2.7-2.9 miles (4.4-4.6 kilometers) in the mantle. Also known as distortional wave; equivoluminal wave; rotational wave; secondary wave; shake wave; shear wave; tangential wave; transverse wave.

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