Christchurch Case Study Flashcards
What type of boundary and fault line does New Zealand lie on?
Conservative boundary and a slip strike fault line
What two plates caused the Christchurch earthquakes?
The indo-Australian plate and the Pacific plate
What is New Zealand’s GDP per capita?
$41,000
Is Christchurch New Zealand’s biggest city?
No, it’s the third biggest city in New Zealand
What is Christchurch built on which makes it vulnerable to soil liquefaction?
It is built on alluvial sediment
How often are New Zealand’s strict building codes reviewed?
Every 10 years
What fault ruptured on the 4th September 2010 in New Zealand and how strong was the resulting earthquake?
The Greendale fault ruptured causing a M7.1 earthquake
How deep was the focus of the 4th September quake?
10 km
How far away was the 4th September quake’s focus from the main built up area of Christchurch?
40km
Did the 4th September quake cause any casualties?
Nah
When was the ‘main event’ in Christchurch and what magnitude and time was this?
22nd February 2011 M6.3 12:30 pm
How deep was the focus of the 22nd Feb 2011 quake?
5km located 10km SE of Christchurch in Lyttleton
What were the effects of the 2011 quake?
- A large amount of infrastructure was broken or damaged
- Buildings damaged in 2010 quake were brought down, heritage buildings were damaged, Christchurch’s tallest building, the Hotel Grand Chancellor was destroyed
- Liquefaction was extensive
- There was confusion and panic, the sheer amount of people trying to contact their families jammed the phone lines
How many people were killed as a result of the 2011 Christchurch earthquake and how many were seriously injured?
185 killed- 164 seriously injured
How many people died in the Canterbury television building collapse?
115