Mt Nyiragongo case study Flashcards

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1
Q

When did the volcano erupt

A

17th January 2002

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2
Q

where did it erupt

A
  • south east Africa
  • congo
  • LIC
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3
Q

give 3 reasons why it erupted

A
  • formed above a hotspot
  • a 13km fissure opened on the south flank
  • lava exited from 3 points, 200m wide and 2m deep
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4
Q

give 4 background information points

A
  • 3500m high
  • crater 2m wide containing a lava lake
  • erupted 34 times since 1882
  • 2 million people live around it
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5
Q

give 3 risks/ vulnerabilities of Nyiragongo

A
  • Goma is a fertile region
  • population was vulnerable to co2 seeping from the ground of the volcano
  • large amount of settlers due to altitude, long growing season and fertile soils
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6
Q

give 3 responses to the eruption

A
  • authorities issued a RED ALERT to Goma, to keep the death rate low
  • educated children about volcanoes
  • 2 days after, the UN sent humanitarian aid and £15 million to help regugees
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7
Q

give 2 economic primary effects of the eruption

A
  • people lost their jobs

- 15% of the 4500 buildings were destroyed

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8
Q

give 3 social primary effects

A
  • 400,000 people fled
  • commercial town was destroyed with water supplies
  • 350,000 people were dependant on aid
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9
Q

how many people died

A

147

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10
Q

give a economic secondary effect

A

aviation fuel stores exploded

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11
Q

give 4 social secondary effects

A
  • 120,000 homeless
  • looting
  • people returned 1 month later
  • thousands required medical attention
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12
Q

give 2 environmental secondary effects

A
  • fear that a rise in temperature could realise toxic gases from lake kivu
  • volcano is still active today and last erupted in 2013
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