Option D - Sichuan, China - Mass movement

Question 1

Where is Sichuan, China?

Answer 1

• Xinmo Village

- Sichuan Province

Question 2

Near which collision plate boundary is Sichuan, China located and why is this important?

Answer 2

• near collision plate boundary of Indian and Eurasia

- Indian plate crashes into Eurasian plate causing build up of strain and deformation

Question 3

What kind of mass was in the mass movement in Sichuan, China?

Answer 3

• rock avalanche

- landslide

Question 4

How much mass was deposited in the mass movement in Sichuan, China?

Answer 4

• 13,000,000 m3 of deposition

Question 5

At what speed did the mass movement occur in Sichuan, China?

Answer 5

• hit valley at about 250km/h

Question 6

How long did the mass movement in Sichuan, China take?

Answer 6

• less than 60 seconds long

Question 7

What was the vulnerability of the population in Sichuan, China to mass movement?

Answer 7

• Low population density (less than 50 people/km2) - few deaths

Question 8

What were the social impacts of the mass movement in Sichuan, China?

Answer 8

• 10 deaths
• 73 missing
• 40 homes destroyed
• 300 people were temporarily relocated

Question 9

What were the economic impacts of the mass movement in Sichuan, China?

Answer 9

• tourism interrupted

- blocked 1.6km section of road - road transport interrupted

Question 10

What is mass movement?

Answer 10

• movements of soil and rock debris down slopes in response to the pull of gravity, or the rapid or gradual sinking of the Earth’s ground surface in a predominantly vertical direction