increases susceptibility to storm surges, tsunamis and sea level changes
Hazards
elements of the physical environment, harmful to man and caused by forces extraneous to him
Hazard
source of potential harm of situation with a potential to cause loss
Exposure
refers to the element at risk from the natural or man-made hazard events
Vulnerability
characteristics and circumstances of a community, system, or asset that make it susceptible to the damaging effect of a hazard
Disaster
a sudden, calamitous event, bringing great damage, loss destruction and devastation of life and property
2 Types of Disaster
Natural
Human-Made
Disaster
serious disruption of the functioning of a community or a society
Elements at Risk and Exposed to Hazards
People
Facilities and services
Livelihood
Environment
Disaster Risk
defined as the probability that a community's structure or geographic area is to be damaged or disrupted by the impact of a particular hazard, on account of its nature, construction and proximity to a hazardous area
Disaster Risk Management
range of activities that contribute to increasing capacities and reducing immediate and long-term vulnerabilities to prevent or at least minimize damaging impact in a community
Classification of Disasters
Major
Minor
Natural Disaster
originate from different forces of nature
Geological
originates from the solid earth geosphere
Meteorological
originates from sky
Hydrometeorological
involved with the atmosphere and hydrosphere
Biological
conveyed by biological vectors or agents
Human-Made Disaster
occurs due to the people's actions against human, materials and environment
Risk Factors Underlying Disasters
Severity of Exposure
Gender and Family
Age
Other Factors Specific to Survivor
Severity of Exposure
The amount of exposure to the disaster is highly related to risk of mental problems.
At highest risk are those that go through the disaster themselves.
Those in close contact with victims.
At lower risk of lasting impact are those who only had indirect exposure, such as news of the severe damage.
Injury and life threat are the factors that lead most often to mental health problems.
GenderandFamily
Women or girls suffer more negative effects than do men or boys.
Disaster recovery is more stressful when children are present in the home.
Women with spouses also experience more distress during the recovery.
Having a family member in the home who is extremely distressed is related to more stress for everyone.
Marital stress has been found to increase after disaster.
Conflicts between family members or lack of support in the home make it harder to recover from disasters.
Age
Adults who are in the age of 40-60 are likely to become more distressed after disaster.
Children show more severe distress after disaster than adults.
Higher stress in the parents is related to worse recovery.
Other Factors Specific to Survivor
Several factors related to a survivor's background and resources are important for recover from disaster. Recovery is worse if survivors:
Well not functioning well before the disaster
Have had no experience dealing with disaster
Have poor self-esteem
Think they are uncared for by others
Think they are have little control over what happens to them
Lack of capacity to manage stress
Other Factors Specific toSurvivor
Other factors have also been found to predict worse outcomes:
Bereavement (death of someone close)
Injury to self or another family member
Life threat
Panic, horror, or feeling like that during the disaster
Being separated from family (especially among youth)
Great loss of property
Displacement (being forced to leave home)
Effects of Disaster on Human Life
Displaced Population
Health Risk
FoodScarcity
Emotional Aftershocks
DisplacedPopulation
many people have to abandon their homes and seek shelter in other region
HealthRisk
severe flooding can result in stagnant water that allows breeding of waterborne bacteria and malaria carrying mosquitoes
Food Scarcity
thousands of people around the world go hungry as a result of destroyed crops and loss of agricultural supplies, either it happens suddenly in a storm or gradually in a drought
Emotional Aftershocks
confronted with scenes of destruction and the deaths of the friends and loved ones, many children develop post-traumatic stress disorder (PTSD), a serious psychological condition resulting from extreme trauma
Disaster from the Different Perspectives
Physical
Psychological
Socio-Cultural
Economic
Political
Physical Perspective
can cause damage to physical elements
Physical Perspective
most visible and quantifiable effects of a disaster
Psychological Perspective
research has shown that disasters can cause serious mental health consequences for victims
Socio-Cultural Perspective
a disaster is analyzed based on how people response having as parameter their social conditions and cultural settings
Economic Perspective
a natural disaster can be defined as a natural event that causes a perturbation to the functioning of economic system, with a significant negative impacts on assets, production factors, output, employment and consumption
Political Perspective
deeply wedded to both the impact of the natural disaster and the subsequently delivery of humanitarian assistance
Government Interventions
Prevention
Mitigation
Preparedness
Recovery
Elements at Risk
refer to intangible elements such as economic activities and infrastructure networks
Vulnerability
result of a process in which various different things cause a population to be more vulnerable