Option D - Sichuan, China - Mass movement Flashcards

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1
Q

Where is Sichuan, China?

A
  • Xinmo Village

- Sichuan Province

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2
Q

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

A
  • near collision plate boundary of Indian and Eurasia

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

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3
Q

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

A
  • rock avalanche

- landslide

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4
Q

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

A
  • 13,000,000 m3 of deposition
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5
Q

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

A
  • hit valley at about 250km/h
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6
Q

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

A
  • less than 60 seconds long
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7
Q

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

A
  • Low population density (less than 50 people/km2) - few deaths
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8
Q

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

A
  • 10 deaths
  • 73 missing
  • 40 homes destroyed
  • 300 people were temporarily relocated
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9
Q

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

A
  • tourism interrupted

- blocked 1.6km section of road - road transport interrupted

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10
Q

What is mass movement?

A
  • 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
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