3 Types of Hazard

1. 3 Types of
Hazard

2. Types of
Hazard
1.Natural hazards
2.Quasi-Natural
hazards
3.Technological (or
man-made) hazards

3. 1. Natural hazards
● arise from natural processes in the
environment.
● e.g. earthquakes, tsunami, landslides, volcanic
eruptions and floods

4. 2. Quasi-natural hazards
● arise through the interaction of natural
processes and human activities
● e.g. pollution or desertification, smog and fog

5. Atmospheric Hazard
● Excess Rainfall
● Hail
● Heavy snowfall
● Extreme temperature
● Hurricanes
● Thunderstorms

6. Hydrologic Hazard
● Floods
● Wave action
● Rapid Glacier

7. Geologic Hazard
● Mass movement
(landslides,mudslides,Avalanches)
● Earthquake
● Volcanic Eruption

8. Biologic Hazard
● Epidemic
● Pandemic

9. 3. Technological (or man-made) hazards
● These arise directly as a result of human
activities.
● e.g. accidental release of chemicals, toxic and
pesticides to floral and fauna

10. Technologic Hazard
● Transportation Accident
● Industrial Explosions and fire
● Accidental release of Toxic Elements
● Collapse of Buildings
● Cyber terrorism

11. Technology or
Man Made
Hazards Signs
and Symbols

12. ● Flammable
● Self-heating
● Emits Flammable Gas
● Pyrophoric
Flame

13. ● Reproductive
toxicity
● Respiratory
sensitizer
● Target organ
toxicity
● Aspiration toxicity
HEALTH HAZARD

14. ● Explosives
● Self-reactives
● Organic
Peroxides
EXPLODING BOMB

15. ● Fatal or toxic
● Acute toxicity
SKULL AND CROSSBONES

16. Natural
Hazards Signs
and Symbols

18. Quasi-Natural
Signs and
Symbols

19. ● Aquatic
toxicity
ENVIRONMENT

20. ● Air toxicity
ENVIRONMENT

21. Choose the right example of types
of hazards below and write it on the
corresponding table

22. Choose the right example of types of hazards
below and write it on the corresponding table
● avalanche volcanic eruptions hurricanes
● oil spill biological attacks landslides
● mining explosions polluting ground water droughts
● wild fires or bush fires dam failures fires
● transportation accidents storm surge earthquake
● train accident plane crashes tornadoes
● falling objects typhoon floods
● air pollution water pollution acid rain
● global warming desertification smog
● lightning sandstorm
● epidemic in human plants and animals

23. LETS CHECK

25. Common
long Term
impacts of
Natural
Hazards
PHYSICAL IMPACT
 Death of people
 Destruction or loss of infrastructure
 Loss of housing
PSYCHOLOGICAL IMPACT
 Grief or Trauma –PTSD
 Marital Conflicts
 Depression
 Chronic Anxiety among children
SOCIO-CULTURAL IMPACT
 Displacement of Populations
 Loss of Cultural identity
 Forced adoption of new sets of Culture
 Ethnic conflicts

26. Common
long Term
impacts of
Natural
Hazards
ECONOMIC IMPACT
 Loss of job due to displacement
 Lost of harvest and livestock
 Loss of farms,fish cages and other source
of living
 Loss of money and other valuable things
ENVIRONMENTAL IMPACT
 Loss of forest
 Loss of fresh water
 Disturbance of biodiversity
 Loss of Natural river
BIOLOGICAL IMPACT
 Epidemic to people,flora and fauna
 Chronic and permanent illnesses (nuclear
radiation)
 Proliferation of different viral and bacterial
diseases.

27. Thank you for
listening!