Nevado Del Ruiz Flashcards

1
Q

Where

A

Colombia border part of Andes in armero

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2
Q

Margin

A

Destructive of nazca plate subducted under South American plate part of Andean volcano belt

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3
Q

When was first signs

A

1984 volcanic activity of fumerole activity and sulphur deposits

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4
Q

What did did it erupt

A

9.09pm on a stormy night

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5
Q

Eruption

A

30 km into air 35 million metric tons of material erupted

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6
Q

Main killer

A

Pyroclastic flow melted snow and glaciers travelling 40 mph Lahars

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7
Q

How much crop destroyed

A

3400 hectares of crops

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8
Q

How many hospitals destroyed and schools

A

2 and 50

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9
Q

What did Lahars do to soil

A

Made fertile

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10
Q

How many animals killed

A

150,000

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11
Q

Overall cost

A

7.7 billion 20% GDP in 1985

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12
Q

How many homeless

A

8000

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13
Q

How many killed

A

23,000

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14
Q

Why so bad in armero

A

3/4 killed as on eastern flank two rivers meet at confluence doubling power of Lahars

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15
Q

What did Red Cross do

A

Organised rescue while helicopters airlifted victims to hospitals

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16
Q

Why was international aid lacking

A

1 week before earthquake in Mexico City gas more media coverage and slit of aid had already been sent there

17
Q

Why was it so poorly managed

A

Hazard maps poorly made and poorly distributed, lack of key and other errors ready to mass distribute 19th
People refused to believe scientists and authorities would only evacuate when they had an exact date

18
Q

When

A

13 th November 1985