A disaster may be a serious disruption occurring over a brief or long period of your time that causes widespread human, material, economic or environmental loss that exceeds the power of the affected community or society to cope victimisation its own resources. Developing countries suffer the best prices once a disaster hits – over ninety five p.c of all deaths caused by hazards occur in developing countries, and losses because of natural hazards ar twenty times bigger (as a proportion of GDP) in developing countries than in industrialised countries. despite what society disasters occur in, they have a tendency to induce change in government and social life. they'll even alter the course of history by loosely touching entire populations and exposing management or corruption no matter however tightly data is controlled during a society..A natural disaster may be a natural process or phenomenon that might cause loss of life, injury or alternative health impacts, property harm, loss of livelihoods and services, social and economic disruption, or environmental harm. Various phenomena like earthquakes, landslides, volcanic eruptions, floods, hurricanes, tornadoes, blizzards, tsunamis, cyclones and pandemics ar all natural hazards that kill thousands of individuals and destroy billions of bucks of environs and property every year. However, the ascension of the world's population and its multiplied concentration typically in venturous environments has escalated each the frequency and severity of disasters. With the tropical climate and unstable landforms, as well as deforestation, unplanned growth proliferation, non-engineered constructions create the disaster-prone areas additional vulnerable. Developing countries suffer additional or less inveterately from natural disasters because of ineffective communication combined with shy monetary fund allocation for disaster bar and management.