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The economic and social
impacts of the Canterbury
earthquakes
David Johnston, Joint Centre for Disaster Research
GNS Science/Massey University
Key issues
» How is the community coping?
» What effect does this have on
how the industry interacts
with and manages our
customers?
September 2010 Darfield earthquake
» Earthquake Risk Buildings
» Residential houses affected by
liquefaction
» Water and sewer lines
EGU, Vienna 2011 – The Christchurch earthquake
12:51pm Tuesday 22 February 2011
Comparison of Vertical and Horizontal Ground Shaking
Vertical
Horizontal
2500 yr code 0.54g
500 yr code 0.30g
CTV Building
8
Lateral spreading in Fitzgerald Ave near Avonside Drive.
There was no spreading here after the Darfield EQ.
EGU, Vienna 2011 – The Christchurch earthquake
Liquefaction
Situation at end of State of Emergency
1 May 2011
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Fatalities:
Injuries:
Power:
Water:
Waste water:
Schools:
Health:
Buildings:
Homes:
Insurance:
181 confirmed (2011)
ACC: ~2,500 (2010) and ~7,500 (2011)
100% restored outside CBD ‘red zone’
100% have mains supply outside red zone
97% of city with working toilets
All open (11 sharing facilities)
All services within capacity
About 20% commercial unsafe
About 26,000 vacant houses. 2% unsafe
Over 340,000 claims so far (Sept-Feb)
» Estimated Economic Costs NZ$15-20 billion (c. 9% of GDP)
Volunteerism
Where have all the people gone?
Moving to the future
Social and psychosocial impacts
Impact : loss, stress, distress…
Recovery:
encompasses the cultural, psychological,
social, economic, ecological and physical
dimensions that are part of the
regeneration of a community.
The outcome of the psychosocial recovery process is to
establish a functioning community and to foster
individual resilience and well-being.
Intervention pyramid
Intervention pyramid for mental
health and psychosocial support
in emergencies & long term
programmes
Umbrella of Care
B Raphael
Individualised support
Single point of
contact
Service
coordination
Community support
Relief &
recovery
centres
Case
management
Community
Recovery
Committees
Community
development
Vulnerable
groups
Targeted
recovery
programs
Individual
Household
Neighbourhood
Psychosocial response
Community
Core principles of an effective recovery process
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6.
Community-based and community involvement
Coordination/integration
Mediation
Training/professional development and support
Flexibility
Sharing information
Thank you