Seismology is the study of earthquakes and seismic waves that move through and around the earth. Seismology includes the modern technologies for studies of the interior structure of the Earth. The Structural seismology is the main source of information about the interior structure of the Earth’s upper mantle. Here is a list of seismological methods that provide the most accurate information about the structure of the Earth's mantle and the results of studies the structure Earth’s upper mantle.