Natural disasters have been origination by natural process. It may destroy the World. We must avoid it and think as well as concern about its possible ways to prevent it. Many people are been its victim and are suffering for rest of their life. We are at a time where our society is able to bring the full force of scientific and technological advances to reduce the number of human tragedy and economic losses due to natural disasters. Although, we must take an integrated and diverse approach to disaster reduction, bringing new emphasis to research on disasters, on pre-disaster planning, and on preparedness. It is up to us to include disaster education and preparedness of the public as well as early warning systems, in which people at risk receive, understand, and act upon the warning information conveyed.
Natural Disasters are the consequences or effects of natural hazards. They represent human, property and economic losses and they signify a serious breakdown in sustainability and disruption of economic and social progress. The overwhelming number of dead or seriously injured and homeless people after the occurrence of a natural disaster and the massive amount of money to be spent for reconstruction and rehabilitation equates to a natural disaster. They are nothing else but extreme environmental events that impact human activities. Hurricanes, earthquakes, tsunamis and volcanic eruptions are the most frequents.