资讯

Surface waves travel along the Earth's surface. Two examples of surface waves are Rayleigh waves and Love waves. Explain to your students that Rayleigh waves cause the ground to ripple up and down ...
Traveling through the interior of the Earth, body waves arrive before the surface waves emitted by an earthquake. These waves are higher frequency than surface waves. P waves are also known as ...
When the waves cross the boundary between two different layers, there is a sudden change in direction due to refraction. A surface wave travels along the surface of the Earth. It is the slowest of ...