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Tag «secondary waves»

Types of Earthquake waves

An earthquake is caused by the seismic waves generated by the transverse movement of landmasses at plate tectonic boundaries, volcanic eruption, compression in the earth’s crust, groundwater extraction, geothermal drilling, construction of tracking, and injection wells, and havoc of a powerful nuclear bomb blast. All these events cause seismic waves. The seismic waves spread spreads …

Earthquakes

1. Introduction to an Earthquake An Earthquake may be defined as the shaking and trembling of the Earth’s surface caused by sudden releases of stress with the crust of Earth. Thus an earthquake releases the energy that has been gradually stored through the stress of increasing deformation of rocks. The released energy takes the form …