S Waves
By Earthquake Hazards Program
2021 (approx.)
![Diagram of S waves showing a block diagram with equal wave sizes](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/s%20waves.gif?itok=imFk4JgD)
Detailed Description
An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.