Christchurch earthquake 2011

Question 1

What date was the earthquake

Answer 1

22nd February 2011

Question 2

Where did the earthquake occur/

Answer 2

Along the greendale fault

Question 3

What type of fault is the greendale fault?

Answer 3

Strike slip/ conservative

Question 4

What magnitude was the earthquake?

Answer 4

6.2

Question 5

What was the depth?

Answer 5

5km

Question 6

What areas were affected?

Answer 6

Christchurch

Question 7

What was a unique feature for the earthquake?

Answer 7

2010 September earthquake with magnitude 5.1 occured just months before and christchurch was still recovering

Question 8

What plates does New Zealand sit along?

Answer 8

Both the Australian and Pacific plates, which is a destructive plate margin with a subduction zone

Question 9

Where is the Greendale fault located?

Answer 9

On the South Island of New Zealand and it has a strike slip motion

Question 10

What caused the earthquake?

Answer 10

A rupture in the greendale fault

Question 11

Why was liquefaction an issue?

Answer 11

400,000 tonnes of silt came to the surface and caused houses and cars to sink

Question 12

How many aftershocks were there?

Answer 12

250+

Question 13

What was the problem of mental wellbeing due to aftershocks?

Answer 13

People were much more on edge due to constant shaking

Question 14

How many fatalities were there?

Answer 14

185

Question 15

What percentage of fatalities occured in the central business district?

Answer 15

60%

Question 16

Why were water pipes an issue?

Answer 16

Water pipes beneath the surface burst causing flooding which lead to liquefaction.

Question 17

What were the economic primary effects of the earthquake?

Answer 17

Rationing of petrol, Cathedral severly damaged (loss of tourism), power outages, cathedral lost its spire

Question 18

How many homes were destroyed?

Answer 18

10,000

Question 19

What was the total estimated cost of damages?

Answer 19

40 billion

Question 20

What measure was put in place in the CBD?

Answer 20

restricted movement

Question 21

How many chemical toilets were provided for residents?

Answer 21

30,000

Question 22

What is the Farmy Army?

Answer 22

Domestic help in the form of 800+ farmers using their machinery to help clear and rebuild areas.

Question 23

How much money did Australia give to help restoration?

Answer 23

5 million dollars

Question 24

Where was rescue from?

Answer 24

Japan, US, Australia and more

Question 25

What did australian emergency service workers do?

Answer 25

600 helped in forms of police, search and rescue, medical and forensic efforts

Question 26

How was Christchurch zoned?

Answer 26

Into 4 zones by the Canterbury primary response group

Question 27

What were the long term responses?

Answer 27

Government provided temporary housing
Roads and houses cleared from silt by august
By August 80% of roads and 50% of footpaths were repaired