On the Relationships Between the Main Parameters of an Earthquake and Its Actual Consequences on the Earth's Surface the Magnitude and Seismic Moment of Earthquake

Based on new research, the article presents a formula for determining the potential energy of an earthquake with incorporation of seismic moment and displacement angle values. This formula is new compared to the one derived by the author earlier. The mechanical interpretation of the new formula is provided. Much effort is devoted to determining the values of “stress relief” during strong earthquakes. A formula is derived for determining the values of “stress relief” based on shear modulus and ultimate shear strain of the soil stratum at the epicenters of 44 earthquakes. Also, a methodology is offered to determine energy values of earthquakes with complex structures of surface rupture, as well as areas of deformation zones on Earth’s surface and areas of strong earthquake aftershocks’ locations. New formulas are derived for determining such areas and a comparative analysis is provided with similar formulas by K. Kasahara and T. Dambara.