Which Waves) Have the Largest Amplitude?

Surface waves are larger in amplitude and longer in duration than body waves. These waves arrive at seismograph

after the arrival of P- and S-waves because of their slower velocities. The two different surface waves are: Rayleigh waves

Rayleigh waves

Rayleigh waves are a type of surface wave that travel near the surface of solids. Rayleigh waves include both longitudinal and transverse motions that decrease exponentially in amplitude as distance from the surface increases.

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Rayleigh wave - Wikipedia

or descriptively called "ground roll" in exploration seismology.

Which waves have the greatest amplitude?

Gamma rays has the greatest amplitude among all electromagnetic waves.

Which seismic waves have the largest amplitude?

S waves are more dangerous than P waves because they have greater amplitude and produce vertical and horizontal motion of the ground surface. The slowest waves, surface waves, arrive last. They travel only along the surface of the Earth. There are two types of surface waves: Love and Rayleigh waves.