All-Hazards Approach to Preparedness

A hazard can be any threat to people, property and their livelihoods. When we use an all-hazards approach to preparing for these threats, our families and communities will better positioned for recovery when (not "if) there is an emergency or disaster event.

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  • Hazards don't always become an emergency or a disaster. 
  • Hazards are the origins of disasters.
  • They become a disaster when it impacts communities and societies.
  • Hazards that become small-scale emergency events, localized, resolved quickly with local resources.
  • Can escalate and become a disasters.

  • These are hazards that disrupt the functioning of communities and societies.
  • Require response and recovery greater than local communities can provide.

Natural Hazards

  • Atmospheric: Thunderstorms, Lightning, Hailstorms, Tornadoes, Windstorms, Ice storms, Snowstorms, Blizzards, Cold waves, Heat waves, Avalanches, Fog, Frost
  • Geological: Earthquakes, Volcanoes, Tsunami, Landslides, Mudflows, Sinkholes
  • Hydrological: Floods, Droughts, Wildfires
  • Extraterrestrial: Meteorites, Asteroids
  • Biological - Human and Animal: Diseases, Epidemics, Pandemics, Overpopulation, Famine

Human-created Hazards

  • Non-Intentional: Technological, Hazardous Materials, Environmental, Industrial, Mining, Nuclear, Transportation, Structural
  • Intentional: Cyber-attacks, Civil Disobedience, Terrorism, Violence - includes active threats or active killer events

Source: Hazard and Disaster Classification FEMA