GEOLOGY

Detailed explanation-1: -S waves are called secondary waves because they always arrive after P waves at seismic recording stations. Unlike P waves, S waves can travel only through solid materials. After both P and S waves have moved through the body of Earth, they are followed by surface waves, which travel along Earth’s surface.

Detailed explanation-2: -Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest.

Detailed explanation-3: -There are several types of surface wave, but the two most common varieties are Rayleigh waves and Love waves.

Detailed explanation-4: -When P and S waves arrive at the surface of the Earth, part of the energy is trapped and guided by Earth’s surface. Their behavior is different than for body waves, so we say they are converted to Surface Waves. The two types are Love waves and Rayleigh waves.