Scales of intensidadesla seismic Scale Mercalli is a scale of 12 points developed to assess the intensity of earthquakes through the effects and damage to different structures. It owes its name to the Italian physicist Giuseppe Mercalli.The Scale Medvedev-sarkozy Sponheuer-Karnik, also known as MSK scale or MSK-64, it is a scale of intensity macrosismica used to evaluate the strength of the movements of land on the basis of the destructive effects on the human constructions and the change of appearance of the ground, as well as in the degree of affectation among the population. Has twelve degrees of intensity, being the lowest number one, and expressed in roman numerals to avoid the use of decimals.The shindo scale or scale closed seven, known as japanese scale that focuses on each affected area more than in the tremor in the range between 0 and 7