Mount Nyiragongo/ Nevado del Ruiz- Failed hazard management CS - TECTONICS Flashcards

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1
Q

What is the HDI of mount Nyiragongo?

A

0.571
Also ranked 153

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2
Q

When did Mount Nyiragongo occur?

A

22 may 2021 is the most recent eruption, it also occurred in 2002 and is based in the Democratic Republic of Congo.

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3
Q

Death toll of mount Nyirangongo in 2002

A

250 people

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4
Q

Info about the eruption of mount Niragongo

A

It is a composite volcano that has a lava lake in its crater. In both eruptions, fissures opened in the south side of the volcano and streams of lava from the lake drained through. The lava reached speeds of 64 km/h (40 mph.) The 2021 eruption followed a similar path to the 2002 eruption, moving towards Goma and the border with Rwanda.

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5
Q

What plate boundary is mount Nyiragongo eruption?

A

Divergent

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6
Q

Long term response for the 2002 eruption of mount nyrigongo

A
  • thirty new signs detailing early warning signs
  • evacuation routes mapped
  • education plans
  • measuring CO2 emissions from volcano
  • Volcanic observatory set up
  • large lava lake monitored to see if eruptions are impending
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7
Q

What went wrong in 2021 for mount nyrigongo even through long term response was in place?

A
  • 31 died when lava spread from volcano also destroying 3000 homes and cutting a major road used to bring aid
  • Failure of warning systems blamed on mismanagement by officials. There was alert system in place but no alert given at the 2021 eruption.
  • Residents and scientist accuse government administrators of corruption and mismanagement and were also accused of misusing funds
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8
Q

What year did the nevado del Ruiz eruption occur?

A

1985

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9
Q

Notes on previous eruption of nevando del ruiz

A
  • previous eruption was in 1845 and it melted the glacier and mixed with mud resulting mudflow covering 85% of the town and killing 21,000 people.
  • the compositor of flood allowed people to float saving a a lot lives as well
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10
Q

Short term responses

A
  • rescue equipment struggled due to mud
  • shortage of helicopters
  • eruption also occurred at night delaying rescue efforts
  • foreign medical aid arrived days later but was too late
  • 10,000 homeless
  • pipelines damaged so water diseases such as cholera.
  • there was no emergency managent Agency (like plan) in place so caused death toll to be higher
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