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Understanding Hazard and Disaster Classification

Explore the major categories of hazards and disasters, including natural, anthropogenic non-intentional, and anthropogenic intentional ones. Learn about various types of hazards such as environmental, geological, biological, and extraterrestrial processes, as well as their impacts on health and safety.

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Understanding Hazard and Disaster Classification

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  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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