Earthquakes: Case studys

Question 1

Magnitude of Haiti earthquake

Answer 1

7.1

Question 2

Epicentre from capital?, and focus of Haiti earthquake

Answer 2

Epicentre: 15km away from Port Au Prince
Focus: 13km deep

Question 3

Geology of Port-au-Prince

Answer 3

Weak sediment

Question 4

4 short term impacts of Haiti earthquake

Answer 4

230K killed
300K injured
293,000 building destroyed
Harbour destroyed

Question 5

4 long term impacts of Haiti quake

Answer 5

> Fault line moved closer to Port-au Prince meaning next quake could be worse than this one 
> 1.5 Million homeless 
> $7.8 Bn
> Coral reef uplift
> 70% lost legal right to the land

Question 6

5 responses to Haiti earthquake

Answer 6

> 14 million ration packs(s)
6000 US troops to maintain law & order(s)
$11 billion in reconstruction projects(L)
£35 million form telethon (L)

Question 7

4 reasons why the impact of the Haiti earthquake so bad

Answer 7

Geology of area lead to collapse of harbour
Building structure > 200,000 first 30 seconds fell
Population density 363 people perkm2
Focus and epicentre

Question 8

Case study for an earthquake in an LEDC

Answer 8

Haiti (2010)

Question 9

Case study for an earthquake in an MEDC

Answer 9

Christchurch 2011

Question 10

How deep was the focus of the Christchurch earthquake?

Answer 10

5km

Question 11

Epicentre distance from Christchurch

Answer 11

10km

Question 12

Magnitude of Christchurch quake

Answer 12

6.3

Question 13

3 short term impacts of the Christchurch earthquake

Answer 13

185 deaths
SE suburbs raised 50cm, damaging buildings
80% of sewage systems destroyed

Question 14

3 long term impacts of Christchurch earthquake

Answer 14

Cultural heritage loss of cathedral

Cost of building and relocating the SE homes and residents

Question 15

3 short term responses to Christchurch earthquake?

Answer 15

Ordinary residents used cars as ambulances
Emergency repsonse teams
Injured lay out on grass (general ordinary citizen response was significant)

Question 16

what is the tectonic setting of Christchurch?

Answer 16

It’s near the subduction zone of pacific plate under the Australian plate

Question 17

Focus and epicentre for Christchurch 2010 earthquake and magnitude and deaths

Answer 17

Focus = 12km
Epicentre= 55km
Mgt = 7.0
0 deaths