Chaitèn - Chile

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  • Created by: ccraston
  • Created on: 29-05-17 13:01
Type of plate margin? Plates?
Destructive plate margin - Oceanic Nazca beneath Continental South American plate
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Type of volcano
caldera and composite
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Type of lava?
Viscous rhyolitic with high gas and silica
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Type of eruption?
explosive, pyroclastic flow minor earthquakes, lahars
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Frequency?
last eruption 9,400 years ago
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VEI
VEI4
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Ash cloud height
17km
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Population density?
chile has a low population density
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How far is Chaitén from the volcano?
10km
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Population in Chaitén
4,200
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GDP
$10,700
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Literacy rate
96.9%
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Prediction:
only 20 volcanoes with completed geographical survey and only one volcano observatory in all of chile
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Protection:
armed services used nationally due to lack of conflict
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Preparation:
management of volcano was little
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Lahars
destroyed animal habitats and surrounded houses up to 1m high
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Flooding
90% of the town flooded due to increased flows of the Rio Blamco
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how deep was the ash?
15cm- farm animals suffocated
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deaths?
1 due to stress
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Flights?
158 cancelled resulting in a loss of $7 million
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evacuated?
5,000
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amount of town damaged
80-90%
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amount of town destroyed
20-30%
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Responses
evacuation, 50km exclusion zone, planning to relocated town, told not to drink water and fresh water distributed, financial aid and 90 day freeze loan repayment to Banco Estado, Volcano Disaster Assistance Programme to aid monitoring and prediction
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Other cards in this set

Card 2

Front

Type of volcano

Back

caldera and composite

Card 3

Front

Type of lava?

Back

Preview of the front of card 3

Card 4

Front

Type of eruption?

Back

Preview of the front of card 4

Card 5

Front

Frequency?

Back

Preview of the front of card 5
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