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Disaster
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DISASTER AND
DISASTER RISK
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is an event that occurs suddenly/unexpectedly in
most cases and disrupts the normal course of life
in affected area (Introduction to Hazards and
Disaster, n.d.).
Happens when natural hazards exceed the
capacity of people and the community to
overcome a disaster (Pareno, 2016).
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Disaster
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Disaster
A serious disruption of the functioning
of a community or a society involving
widespread
human,
material,
economic, or environmental losses
and impacts which exceeds the ability
of the affected community or society
to cope using its own resources
(UNISDR).
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According to UNISDR, it is a result of
the combination of:
￭ The exposure to a hazard
￭ The conditions of vulnerability that
are present
￭ Insufficient capacity or measures
to reduce or cope with the
potential negative consequences
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Let’s Try: Classify the following
disasters according to their nature
(geological, hydrometeorological,
anthropogenic, biological).
Nature of disasters
Geologic
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Hydrometeorological
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Disaster
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Anthropogenic
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Biological
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Earthquake
Epidemic
Volcanic
eruptions
Hazardous
materials
Drought
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Acid rain
Tsunami
Insect
infestation
Landslides
Typhoons
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Storm
surges
wildfires
Global
warming
Tornadoes
subsidence
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Disaster risk
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Disaster risk
Potential disaster losses, in terms of
lives, health status, livelihood, and/or
assets and services, which could occur
to a particular community or a society
over some specified future time period.
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Signifies the possibility of greater
adverse effects when it happens
Factors that affect disaster risks:
￭ Hazard
￭ Exposure
￭ Vulnerability
￭ Coping capacity
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Effects of disasters
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Effects of
Disasters
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Effects of disasters
Effects of disasters
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Primary – coming directly from the
incident
Secondary – stems from the
primary effects
Tertiary – long-term effect of a
hazard
This Photo by Unknown Author is licensed under CC BY-NC
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People
Homes
Infrastructure
Economy
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Psychological
damages
(trauma)
Stress debriefing
is advisable
This Photo by Unknown Author is licensed under CC BY-NC-ND
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Effects of disasters
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Effects of disasters
A large number of
homes are damaged
Financial assistance
from the
government is
provided
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This Photo by Unknown Author is licensed under CC BY
Damage to
infrastructures may
also be connected
to an economic
crisis
Availability of basic
services are
affected
This Photo by Unknown Author is licensed under CC BY-SA
Effects of disasters
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Damage to crops
and livestock
This Photo by Unknown Author is licensed under CC
BY-SA
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Disasters in different
perspectives
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