Currently, the world faces the disaster events which cost lives of people, animals and cause serious environment damages. All these happening are called disaster.
According to International Federation of Red Cross and Red Crescent societies, Disasters are grouped into two types: Natural and Manmade disasters.
Natural hazards are naturally occurring physical phenomena caused either by rapid or slow onset events which can be geophysical. These include earthquakes, landslides, tsunamis and volcanic activity), hydrological (avalanches and floods), climatological (extreme temperatures, drought and wildfires), meteorological (cyclones and storms/wave surges) or biological (disease epidemics and insect/animal plagues).
Man-made hazards (complex emergencies/conflicts, famine, displaced populations, industrial accidents and transport accidents) are events that are caused by humans and occur in or close to human settlements. This can include environmental degradation, pollution and accidents. Technological or man-made hazards (complex emergencies/conflicts, famine, displaced populations, industrial accidents and transport accidents).