• Seismic waves are the energy from earthquakes.
  • Each type of seismic wave travels at different speeds in different materials.
  • All seismic waves travel through rock, but not all travel through liquid or gas.
  • Geologists study seismic waves to learn about earthquakes and the Earth’s interior.
  • Surface waves are responsible for the rolling motions that do most of the damage in an earthquake.
  • Love waves move side-to-side, much like a snake.
  • Rayleigh waves produce a rolling motion as they move up and backward.
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