Volcanoes Flashcards

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1
Q

Nyiragongo - Where is it?

A

20km north of the town of Goma and west of the border of Rwanda

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2
Q

Nyiragongo - What is it’s volcanic history?

A

Responsible for 40% of Africa’s historical volcanic eruptions
Since 1882 Nyiragongo has erupted 34 times

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3
Q

Nyiragongo - What is the lava like?

A

Low silica content - can travel at speeds of up to 60 miles an hour

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4
Q

Nyiragongo - When was the earthquake?

A

Major eruption on 17th January 2002

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5
Q

Nyiragongo - How many buildings were destroyed?

A

40% of buildings, including 45 schools, were destroyed in Goma
3 rivers of lava destroyed 14 villages in Rwanda

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6
Q

Nyiragongo - How many people died?

A

245 people died with 147 of them dying from asphyxiation by carbon dioxide

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7
Q

Nyiragongo - What happened to the economy?

A

80% of the economy was destroyed

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8
Q

Nyiragongo - How many were left homeless?

A

120,000 people left homeless and 24,000 children out of school

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9
Q

Nyiragongo - How many people were evacuated?

A

400,000

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10
Q

Nyiragongo - What did NGO’s give?

A

14,000 jerrycans, 46,000 blankets, 13,500 plastic sheets and food rations for 81,000 people

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11
Q

Eyjafjallajokull, Iceland - When was it?

A

14th April 2010

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12
Q

Eyjafjallajokull, Iceland - How many people were evacuated?

A

800 people

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13
Q

Mount Merapi, Indonesia - How many people were evacuated?

A

20,000 villagers within a 20km radius of the volcano were evacuated on 24th October 2010

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14
Q

Mount Merapi, Indonesia - When did it erupt?

A

26th October 2010

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15
Q

Mount Merapi, Indonesia - How many people dies?

A

350

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16
Q

Mount Merapi, Indonesia - How many people were displaced?

A

320,000

17
Q

Heimaey, Iceland - How many people were evacuated?

A

5,000

18
Q

Heimaey, Iceland - How many houses were destroyed?

A

350

19
Q

Heimaey, Iceland - How many tonnes of ash were produced?

A

1.5million tonnes

20
Q

Heimaey, Iceland - What was done to divert the lava?

A

1.5 billion gallons of water was used to try and divert the lava using 90 miles of pipes and 43 pumps imported from the USA

21
Q

Mount Pinatubo - How large was the danger zone?

A

10km radius

22
Q

Mount Pinatubo - How many lives were saved?

A

Between 5000 and 20,000

23
Q

Mount Pinatubo - How much worth of aircraft and equipment was saved?

A

$275million

24
Q

Mount Pinatubo - Cost of forecasting and evacuations

A

$56million

25
Q

Mount Pinatubo - Benefit in terms of property saved

A

$250million