Tectonic Hazards 1.4-1.6 Flashcards

1
Q

Disaster definition

A

A serious disruption of the function of a community involving widespread human, materialistic, economic or environmental losses and impacts which exceeds the ability of the affected community or society to cope with its own resources

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Vulnerability

A

The ability to anticipate, cope with, resist and recover from a natural hazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Resilience

A

Aka capacity to cope

The ability of a community or society exposed to hazards to resist, absorb and recover from the effects of a hazard.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Deggs model

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Risk equation

A

Risk = Hazard x Vulnerability / Capacity to cope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Political factors affecting risk

A
Corruption
Evacuation contingency plans
Building regulations
Funding of emergency services
Other infrastructure 
Communications with other countries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Economic and social factors affecting risk

A
Population density
Wealth of inhabitants
Deprivation
Health care services
Public education
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Physical and environmental factors affecting risk

A

Location (near hazards)
Prevention measures against damage on buildings
Urbanisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

5 key factors is the complex relationship between risk, hazards and people

A
1 Unpredictability
2 Lack of alternatives
3 Dynamic Hazards
4 Cost-benefit of staying put
5 Russian Roulette reaction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

3 reasons why disasters don’t just happen, they are caused

A

Prevention - the can (sometimes ) be prevented
Hazard Dependent - some floods can be caused by human activity
Preparation - disasters can be avoided with good enough contingency plans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Risk - Unpredictability

A

It catches people and governments out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Risk - Lack of alternatives

A

There is no other choice

Land is cheaper in hazardous areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Risk - Dynamic hazards

A

The threat is not constant

For example, Hurricane season is only June-August

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Risk - Cost-benefit of staying put

A

Some may decide that the benefit outweighs the risk

For example, volcanoes make soil more fertile so business more lucrative - and they are unlikely to erupt often

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Risk - Russian Roulette

A

There is an acceptance of risk but it is seen as unlikely

There may be a warped perception of risk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Why does age have an impact on a community’s resilience?

A

There is physical decline with ageing
There is a lack of adequate service provision before and after emergencies - not enough workers and old people cannot access the services themselves
There are higher poverty levels among older people

17
Q

Predicted problem of ageing

A

By 2050, 79% of the world’s population aged 60+ will live in less developed regions

18
Q

3 parts to the Hazard Index

A

A hazard and exposure dimension
A vulnerability dimension
A capacity dimension

19
Q

PAR Background

A

Pressure - comes from people, their vulnerability, the potential physical hazard
Release - identifying ways to reduce the pressure and therefore reduce vulnerability

20
Q

Root Cause PAR

A

Limited access to
Power
Structures
Resources

Ideologies of
Political or economic systems

21
Q

Dynamic Pressures PAR

A
Lack of 
Training
Local investment
Press freedom PLUS
-rapid population change
-rapid urbanisation
-deforestation
22
Q

Unsafe Conditions PAR

A

Physical environment
Local economy
Social relations
Public actions

23
Q

Haiti 2010 Root Causes

A

Haiti’s debt to Germany and France - money not spent on infrastructure but repayments
Extensive corruption in govt
80% below poverty line of

24
Q

Haiti 2010 Dynamic Pressures

A

Lack of
Urban planning, preparation, disaster management
Effective education PLUS
High pop density at 306/km2
Rapid urbanisation, slumlike housing
Deforestation due to sugar plantations
Soil degradation = inc. risk of landslides

25
Q

Haiti 2010 unsafe conditions

A

Soft soil amplified seismic waves
Illegal housing on hillsides
Low GDP/capita of $1300 meant poor quality buildings
Poor infrastructure - limited access to services

26
Q

Haiti before 2010 - % access to safe water and sanitation

A

39% had access to safe water

24% had access to sanitation

27
Q

Haiti before 2010 population density

A

306/km2

28
Q

Haiti before 2010 GDP per capita

A

$1300 (low)

29
Q

Haiti before 2010 % below poverty line

A

80% on less than $2 a day