Something is different from what are now the cities facing globalization of the economy. Cities with disproportionate sizes and densities, for beyond human scale, fully penetrated by these unexpected mutants of our time: televisions, computers and other devices that make us believe we interact in a communicative manner in the globalized world like a village. Cities, in short, in which begins to lose the most wonderful good that they are endowed with humans: communication. The problem of the city is not only a political problem is a cultural and philosophical problem as it concerns the meaning of human life. That is the challenge, think the construction of the contemporary city as a mechanism for the construction of the new citizen, the same being who understands that economic democracy is the component of political democracy, in short, a city to search for the purpose of the city is brilliantly summarized by Sophocles: the city is people.
Earthquakes and their aftermath have formed over time, serious facts that affect the population from the socioeconomic point of view. Although natural phenomena because it is impossible to avoid, the knowledge of the physical factors that produce help to prevent risks and their best care, minimizing the loss of lives and economic resources. “The physical vulnerability, especially concerning the location of human settlements in risk areas and differences in their structures to absorb the effects of these risks “(WILCHES: 1989: 21). This thesis has direct relationships and other areas of knowledge and its incidence is expected in matters educational, scientific, theoretical, practical, political, social and economic.