It is an ongoing process and therefore should not be considered as a purposeful action precisely because, provides preventive measures for the future. Planning reduces the unknowns facing disaster situations because it tries to anticipate problems that may arise and possible alternative solutions, also contributes a quick response to problems as long as it fits and suits the particular situation, available resources and respect the local culture. With this thesis is from the academy aims to contribute to the development of a culture that allows the authorities and citizens in general, understand the natural hazards to plan the development of the city, minimizing the exposure of residents to disasters that may affect their lives and heritage. The issue of disaster is no longer an occasional concern of the peoples and governments and has become a vital element in the list of issues that concern all humanity, either by impact on the overall development or because solution is only obtained with systematic efforts extended. In the last twenty years (writing in 2000) catastrophic events have caused the deaths of more than two million eight hundred thousand human beings and effects of major life another eight hundred twenty million people (Gomez: 1994).
These dramatic figures are sufficient to indicate the profound importance that disaster prevention in the context of global development, all efforts to protect human life, improvement of quality of life and prosperity of nations . Any disaster, regardless of the level of economic progress in the country concerned, clearly shows the serious trauma caused to the processes of development of each nation and the long road still to be done to optimize systems for prevention in its international dimensions, national and local levels..