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Kieran Podbury


CASE STUDY SUMMARY
Case Study: The Puyehue Volcanic Eruption Year 2011

:
Event Profile
Magnitude Enormous Small
Speed of onset Rapid Slow
Duration Long Short
Areal extent Widespread Limited
Spatial predictability Random Predictable

Frequency Frequent Rare

Facts

Country Profile
Location (1) Map




Population HDI:
17.46 million (2012) (2)…

Page 2

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Kieran Podbury


What happened?
Magnitude/VEI T
Volcanic explosively index: 5
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Page 3

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Kieran Podbury

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Page 4

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Kieran Podbury

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Page 5

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Kieran Podbury

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Tectonic situation (words) T…

Page 6

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Kieran Podbury

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Preparation / Warning?
A column of gases was observed rising from Puyehue on 26 April and
the alert level was raised to 3 (yellow). On 5 May, SERNAGEOMIN
first detected earthquakes typical for magma moving at depth. The
earthquakes were located…

Page 7

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Kieran Podbury

Long term The Argentine Argentina's Agriculture Emergency and Disaster office head Haroldo
government Lebed said the emergency will be declared to the northeast of the
announced an province of Chubut where an estimated 750,000 sheep are suffering
agriculture the consequences of the volcanic ash. Chubut lost over a…

Page 8

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Kieran Podbury


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Page 9

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Kieran Podbury

H Details
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P The president Cristina Fernández announced on national television plans to supply $2.41
e billion to 1,400 farmers and businesses in the area affected by the ash cloud. They also plan
o to spend $7 million on the cleanup…

Page 10

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Kieran Podbury




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