Convection is organized by the circular motion of water flow or air through thermal changes in the density and gravitational attraction, which originate from the source of heat and decrease in the colder outer layers.
Craton is a lithosphere platform with the foundation of Precambrian age.
Earthquake magnitude is a scale characterizing the energy released during an earthquake in the form of seismic waves. Focus is an area of occurrence of underground hits in the earth's crust or upper mantle, resulting in an earthquake. Epicenter – is the central point of the surface of the earthquake focus. Isostasy is hydrostatic equilibrium state of the earth's crust, when the Earth's less dense ...