Module 12

Question 1

Christchurch Earthquake

Answer 1

-February 22nd, 2011

-

Question 2

What Happened?

Answer 2

magnitude 6.2 earthquake, which may have been an aftershock of a magnitude 7 earthquake

• shallow earthquake, 5km underground
• MMVIII: Damage slight in specially designed structures; considerable damage in ordinary substantial buildings with partial collapse. Damage great in poorly built structures. Fall of chimneys, factory stacks, columns, monuments, walls. Heavy furniture overturned.
• 361 aftershocks the week after

Question 3

Primary Effects

Answer 3

ground shaking and liquifaction

Question 4

Secondary Effects

Answer 4

• Infrastructure damaged(building collapse)
• 80% of water and sewer systems severly damaged
• 185 people died from the CTV building which collapsed and caught fire
• government declared a state of national emergency until April 3rd 2011
• 1500-2000 injuries(164 serious)
• landslides

Question 5

Tertiary Effects

Answer 5

• mental health impacts, good and bad

- estimated total cost of rebuilding 40 billion

Question 6

Plate Tectonic Setting

Answer 6

. Strike slip fault+thrust fault= complicated both horizontal and vertical displacement
-aftershock was more damaging because it was shallow depth

Question 7

List of Resulting effects

Answer 7

• loss of power
• transmission system went down
• liquifcation(400,000 tonnes of silt)
• loss of transportation network
• emergency responders were cuttoff
• landslides
• tsunami waves
• hundreds of buildings had to be demolished(10,000 homes)
• emotionalstress

Question 8

Mowri People:

Answer 8

• left and did not come back to the city
• extension of culture through offering aid and consolling
• important role in helping first responders

Question 9

Disaster of Catastrope?

Answer 9

Catastrope because of international aid needed