A possible source of a potentially dangerous event which may then cause a disaster
Types of natural hazards
Biological hazard
Geological hazard
Hydrometeorogical hazard
Biological hazard
Directly linked to an organic caused by exposure of living organism to toxic substances and microorganisms that cause sickness
Geological hazard
Events that originated in solid ground, including earthquakes, volcanic eruptions and emissions, and other secondary hazards such as landslides and mudflows
Hydrometeorogical hazard
Includes typhoons, thunderstorms, tornadoes, floods, and even drought, involving phenomena that are of atmospheric, hydrological or oceanographic nature
Reactive approach
Conventional approach of managing the aftermath of a disaster after it occurs
Proactive approach
Disaster risk reduction, where risks are reduced and managed
Types of impacts brought out by disaster
Social impact
Economic impact
Environmental impact
Social impact
Includes housing status, health of the people, education of the youth, transportation of the community, political instability and bankruptcy
Economic impact
Depends on the basic structure of the economy, with countries dependent on agriculture more vulnerable to extreme weather disruptions, and countries with major debt and poverty problems needing more funds for reconstruction, repair, rehabilitation and medical aid
Environmental impact
Disaster can createenvironmental degradation and ecological imbalance, such as destruction of forests and causing forest fires
