Increase of the poverty Some studies exist at present on the risks by earthquakes of greater intensity, nevertheless, does not exist clear brings back to consciousness in the civil society about the gravity in case of appearing an event for which it is not prepared. Between the main characteristics of this investigation the following can be mentioned: The earthquakes are of natural origin They cannot be predicted but diminish his harmful effects The effects of an earthquake fall on the poorest population to greater proportion. The factors are known clearly risk against the earthquakes The capital of Colombia is in intermediate seismological risk The aid organizations are insufficient to take care of emergencias of great magnitude. The investigated subject was transformed in five chapters whose titles are the following: 1- The disasters and their implications 2- The planning and the theory of the disasters 3- Urban seismic vulnerability in Bogota 4- Environment and culture of the prevention 5- Conclusions and recommendations 3- RESULTS OF THE INVESTIGATION With the purpose of to give fulfillment to the objectives proposed in the present investigation, next the most excellent conclusions are related after a reflective and critical analysis on a serious situation in the matter of socioeconomic planning that involves a high number of Colombian citizens, inhabitants of one of the most important cities in the continental concert. He is not surprising that while the number of lost lives due to the phenomenon of the earthquakes has been reduced substantially throughout the world, at the same time an extraordinary increase in the amount of economic losses is registered, including damages to the vital property, loss of income, infrastructure and facilities and lines. In fact, Colombia has initiated to practice focused procedures to reduce to threats to the human life and personal damages, for example, through systems of alert significantly improved, but it has not reached similar benefits in terms of economic losses. Seth Fisher Hong Kong is often quoted as being for or against this.