Disasters
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Transcript of Disasters
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.