Define and Discuss on Seismic Waves

General purpose of this article is to Define and Discuss on Seismic Waves. At the time of rock masses suddenly move deep from the earth in response in order to tectonic stress, energy by means of seismic waves moves outward from the rock from the stage of origin, called the focus. The initial movement occurs for the focus. Theepicenter is the point on top directly above the concentrate.