1.3 - Christchurch Flashcards
When was Christchurch hit by an earthquake?
2010
2011
What was the magnitude of the earthquake(s)?
2010-7.1
2011-6.3
What caught out the authorities about the second earthquake?
It was along a previously unknown fault line
How many stages are there in Park’s Response Curve?
4
What are the stages of Park’s Response Curve?
- Pre-disaster
- Relief
- Rehabilitation
- Reconstruction
What can affect a Hazard Response?
- The nature of damage caused (liquefaction, loss of farmland etc.)
- quickness of the event (how quickly were people caught out)
- intergovernmental relations
- Scale of economic damage
- Scale and speed of research in aseismic materials
- Availability of equipment needed for construction (+ workers, architects)
- Structure and efficiency of insurance system
How much did the government pay out in the aftermath of the 2011 earthquake?
Up to $46k per claimant
Rest was paid by insurance companies
What was the economic cost of both earthquakes?
$12 billion
How many people were killed?
185
Mainly due to building collapse
How great was the damage to infrastructure?
Very significant damage
Esp. To older buildings eg. Cathedral
Due to significant liquefaction
What factors determine the hazard profile of an event?
- magnitude
- speed of onset
- areal extent
- frequency
- predictability
- duration
