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Hazard and Disaster Classification

This session delves into the classification of hazards and disasters, exploring their major categories: natural hazards like earthquakes, hurricanes, and floods, and anthropogenic hazards, which include both non-intentional and intentional risks, such as industrial accidents and terrorism. With an overview of active threats—ranging from thousands of daily tremors to yearly blizzards—we examine how these hazards affect health and safety. Participants will learn about atmospheric, geological, hydrological, and biological processes, as well as the implications of human actions on disaster risks.

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Hazard and Disaster Classification

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Presentation Transcript

  1. Hazard and DisasterClassification Session 1

  2. Major Categories • Natural Hazards • Anthropogenic Non-Intentional • Anthropogenic Intentional

  3. Earth Hazardous to your health? • 516 active volcanoes, eruption every 15 days (average) • 2,000 tremors daily • 2 significant earthquakes daily, severe damage 15-20 times annually • 1,800 thunderstorms at any given time

  4. Still hazardous? • Lightning strikes 100 times per second • Late summer, an average of 5 hurricanes developing • 4 tornadoes per day or 600-1000 annually • 11 blizzards annually in the United States

  5. Categories of Natural Hazards • Atmospheric (Meteorological) • Geological (Earth) • Hydrological (Water) • Extraterrestrial • Biological

  6. Tropical cyclones Thunderstorms Tornadoes Lightning Hailstorms Windstorms Ice storms Snowstorms Blizzards Cold waves Heat waves Avalanches Fog Frost Atmospheric-Sourced Processes

  7. Geological-Sourced Processes • Earthquakes • Volcanoes • Tsunami • Landslides • Subsidence • Mudflows • Sinkholes

  8. Hydrological-Sourced Processes • Floods • Droughts • Wildfires

  9. Extraterrestrial Processes • Meteorites • Asteroids

  10. Biological Processes • Diseases • Epidemics • Pandemics • Overpopulation • Famine

  11. Anthropogenic Non-Intentional • Technological • Hazardous Materials • Environmental • Industrial • Mining • Nuclear • Transportation • Structural

  12. Technological • Acts of People • Technological systems that fail because of complexities and human fallibility (accidents)

  13. Hazardous Materials • Can classify in different categories

  14. Environmental • Can classify in different categories

  15. Industrial • Factories • Refineries

  16. Mining • Coal • Safety Standards

  17. Nuclear • Power plants • Industrial use • Medical use

  18. Transportation • Aviation • Highways • Railroads • Maritime

  19. Structural • Fires • Collapse

  20. Anthropogenic Intentional Hazards • Mass Shootings • Civil Disobedience • Terrorism • Weapons of Mass Destruction

  21. Mass Shootings • School shootings • Workplace violence • Hate crimes

  22. Civil Disobedience • Labor riots • Race riots • Political riots

  23. Terrorism • State/State Sponsored • International Non-state • Domestic

  24. Weapons of Mass Destruction • Explosives • Chemical • Biological • Nuclear/Radiological

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