DisastersDisasters

INTRODUCTION(DISASTER)

A disaster is a natural or man-

made hazard that has come to fruition, resulting in an

event of substantial extent causing significant physical damage or destruction, loss of life, or drastic change to the environment. A disaster

can be extensively defined as any tragic event with great loss stemming

from events such as earthquakes, floods,

catastrophic accidents, fires, or explosions

INTRODUCTION(DISASTER MANAGEMENT)

Disaster Management refers to the steps undertaken in the

period of pre-disaster, disaster and post disaster. To

cope better with disasters and the havoc they cause in the lives of those affected the

study of disaster management was started. It studies how its

impact can be lessened. It tries to prepare people to deal

with disasters and its aftermath. It also tries to

monitor, predict and prevent the occurrence of disaster

Types Of Disasters :

1)Natural Disasters: A natural disaster is the effect of a natural

hazard (e.g., flood, tornado, hurricane, volcanic eruption, earthquake,or landslide). It leads to financial, environmental or human losses.

2)Man-made Disasters: Man-made

disasters are disasters resulting from man-made hazards (threats having an element of human intent, negligence, or error; or involving a failure of a man-made system)

Natural DisastersNatural Disasters EarthquakesEarthquakes LandslideLandslide FloodFlood DroughtDrought CycloneCyclone TsunamiTsunami Volcanic EruptionVolcanic Eruption TornadoTornado AvalanchesAvalanches

Man-Made DisastersMan-Made Disasters AccidentsAccidents Weapons Of Mass Weapons Of Mass

Destructions (WMD)Destructions (WMD) Chemical DisastersChemical Disasters Biological WeaponsBiological Weapons WarsWars Industrial HazardsIndustrial Hazards Nuclear RadiationNuclear Radiation

(1) Earthquake(1) Earthquake

An earthquake (also An earthquake (also known as known as

a quake, tremor) is a quake, tremor) is the result of a sudden the result of a sudden release of energy in release of energy in the Earth's crust that the Earth's crust that

creates seismic creates seismic waves. waves.

(2) Floods(2) Floods

A flood is an overflow A flood is an overflow of an expanse of of an expanse of

water that submerges water that submerges land. The EU Floods land. The EU Floods directive defines a directive defines a

flood as a temporary flood as a temporary covering by water of covering by water of

land not normally land not normally covered by water. covered by water.

(3) Volcanic Eruptions(3) Volcanic Eruptions

Sometimes the molten Sometimes the molten matter insides the earths matter insides the earths surface rushes out with surface rushes out with force forming a fountain force forming a fountain of lava and gases this is of lava and gases this is

known as volcano. These known as volcano. These are often named after are often named after

famous volcanoes where famous volcanoes where that type of behavior has that type of behavior has

been observed.  been observed. 

(4) Accidents(4) Accidents

An accident or mishap is An accident or mishap is an unforeseen and an unforeseen and unplanned event or unplanned event or

circumstance, often with circumstance, often with lack of intention or lack of intention or

necessity. It implies a necessity. It implies a generally negative generally negative

outcome which may have outcome which may have been avoided or been avoided or

prevented prevented had circumstances leadinhad circumstances leading up to the accident been g up to the accident been

recognized, and acted recognized, and acted upon, prior to its upon, prior to its

occurrence. occurrence.

(5) Industrial Hazards(5) Industrial Hazards

Industrial disasters, which Industrial disasters, which are disasters caused are disasters caused

by industrial companies, by industrial companies, either by either by

accident, negligence or accident, negligence or incompetence. They are incompetence. They are

a form of a form of industrial accident where industrial accident where great damage, injury or great damage, injury or loss of life are caused. loss of life are caused.

Other disasters can also Other disasters can also be considered industrial be considered industrial disasters, if their causes disasters, if their causes

are rooted in the products are rooted in the products or processes of industry.or processes of industry.

MADE BY: Chetna Chuphal

CLASS: VIII ‘A’

ROLL NO.: 12

SCHOOL: Nirmala Convent S.S.School