1 st chapter of disaster management,meaning types of disaster

1. P R E P A R E D B Y : - S A N G A M E S H U P P A R
L E C T U R E R I N C O M M E R C E
9 7 4 0 5 2 2 6 2 2
DISASTER MANAGEMENT

2. Disaster management

3. Introduction
 The first description of Disaster and its management
comes from mythological “Noah” and his ark
 Similar Flood tales are widespread in- Greek
Mythology, Puranas, Mesopotamian stories, and
many cultures

4. Etymology
 Originated from Greek
dus = bad aster = star
Calamity due to position of a planet or a star.
Then evolved in Italian as disastro, To become
French désastre (de.zastʁ). & then disaster .

5. meaning
 Disaster - Any occurrence that causes damage,
ecological disruption, loss of human life,
deterioration of health and health services
 A disaster can be defined as an occurrence either
nature or man made that causes human suffering
and creates human needs that victim cannot alleviate
without assistance.

6.  Hazard - Any phenomenon that has the potential to
cause disruption or damage to people and their
environment.
 When hazard involves elements of risks,
vulnerabilities and capacities, they can turn into
disasters.

7. Types of disaster
1. Natural disaster
major :-floods, cyclone , earthquake , daraught ,etc
minor:-cold wave, tunderstorms,mudslide,etc
2. man-made disaster
major:-forest fires, wars,nuclear attack, industrial
accidents,etc
minor:-train or road accidents, household fire,food
poisoning,etc

8. Flood
 A flood is an overflow of water on land.
flooding can arise from
Overflowing rivers (river flooding)
Heavy rainfall over a short duration (flash flood)
An unusual inflow water onto land (ocean flooding)
Ocean flooding can be caused by storms such as
hurricanes (storm surge)

9. Causes of flood
 Rains
 River overflow
 Strong wind in coastal areas
 Dam breaking
 Ice and snow melts

10. Effect of floods
 Economic
 Environment
 People and animals

11. Types of floods
 Flash floods
 Rapid on-set floods
 Slow on-set floods

12. landslide
 A landslide, also known as a landslip, is a geological
phenomenon that includes a wide range of ground
movements, such as rock falls, deep failure of slopes
and shallow debris flows.
 Landslides can occur in offshore, coastal and
onshore environments

13. Causes
 Heavy rains
 Earthquakes
 Volcano eruptions
 Floods
 Ground water changes
 Quarrying

14. Man made disaster

15. types
1. Fire
2. Industry pollution
3. Accidents
4. Structural failures

16. fire
 fire is the rapid oxidation of a material in the
exothermic chemical process of combustion
releasing heat light and various reaction products
 Fire is hot because conversion of the weak double
bond molecular oxygen to the stronger bonds in the
combustion products carbon dioxode and water
releases energy

17. Types of fire
1. Class A:- wood, paper, trash
2. Class B:- liquids, oils
3. Class C:- Electrical fires
4. Class D:- metal fires magnesium
5. Class K:- cooking oil, grease

18. Industry pollution
 Causes
1. Lack of policies pollution
2. Unplanned industrial growth
3. Use outdated technologies
4. Inefficient waste disposal

19. Effects
 Pollution
 Wildlife extinction
 Global warming

20. Types of industrial pollution
 Process waste :- The waste generated in an industry
during washing and processing of raw materials
Organic
Inorganic
 Chemical waste:- The chemical substance generated
as a by product during the preparation of a product

21. Accidents
 An accidents is an undesirable incidental and
unplanned event
Consequences of the Accidents
1. Environmental consequences
2. Health effects
3. Psychological consequences
4. Economic, political, and social

22. Air accidents
 Causes
Pilot error 50%
Mechanical fault 22%
Weather 12%
Sabotage 9%

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