An S wave, or secondary wave, is a type of seismic wave that is generated by earthquakes or other sources of energy release. It is one of the two main types of body waves, the other being P waves (primary waves). Here are some key characteristics of S waves: 1. **Type of Wave**: S waves are shear waves, meaning they move the ground perpendicular to the direction of wave propagation. This results in a side-to-side or up-and-down motion.
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