Case Study - Christchurch Earthquake

Question 1

date & time

Answer 1

22/2/11 at 12:51pm

Question 2

focus & epicentre

Answer 2

5km & 2km West of Lyttleton, 10km from cantebury

Question 3

magnitude

Answer 3

6.3

Question 4

cause of earthquake (4)

Answer 4

-part of aftershock of 7.1 on 3/2/10
-pacific ring of fire
-N -> Pacific subducts under Australian
-S-> Pacific & Australian, transform fault

Question 5

New Zealand’s development (life expectancy, HDI, GDP)

Answer 5

-81.2
-0.937 (16th out of 187)
-$37,300

Question 6

Location (3)

Answer 6

-earthquake prone, 20000 per yr
-pop. of Lyttleton: 390,300
-capital is built on 5 significant faults

Question 7

primary effects (9)

Answer 7

-182 died
-burst pipes
-historic buildings damaged
-50% of buildings damaged cost $15bil
-liquefaction
- * * >600km of roads damaged * *
-water & sewage disrupted
-$15bil damage (7.8% GDP)
-$1.58bil on buildings
-businesses shut

Question 8

secondary effects (8)

Answer 8

-80% of city = no electricity
-eventual cost $30bil
-floods
-fears of ‘softened buildings’
-vulnerability
-loss of students
-30mil tonnes of glacier gone
-lost benefits(rugby world cup)

Question 9

immediate responses (7)

Answer 9

-government ** helpline** for affected ppl & missing persons helpline
-firefighters use helicopters & cranes to rescue high-up survivors
-civilians dug through rubble & take injured to cars on diy stretchers
-cantebury uni got 15000 students and volunteers forming VSA
-chemical toilets for 30,000
-**($6-7) **international aid
-coordinated areas zoned

Question 10

long-term responses (5)

Answer 10

-smooth, quick clean up
-lectures back in 3wks
-57 temp building still waiting in 2016
-water & sewage restored by august
-80% of roads & 50% of paths repaired

Question 11

level of prep

Answer 11

well-prepared, low death toll, emergency rescuers, newer buildings earthquake proof