6 - Volcanos Impacts And Management Flashcards

1
Q

Date of Indonesia eruption

A

25th Oct 2010

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2
Q

VEI of Indonesia eruption

A

4

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3
Q

Describe the plat boundary for Indonesia
The volcanoes that form and type of lava

A

Convergent, destructive plate boundary
Indo-Australian subducts under Eurasian plate
Lies on a subduction zone
Composite volcano, explosive eruptions, high viscosity andesitic & rhyolitic magma

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4
Q

What are the main hazards in Indonesia when a volcano erupts

A

Pyroclastic flows
Lahars
Ash & tephra
Gas emissions

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5
Q

When was the last eruption in Indonesia

A

2006

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6
Q

How long were warning signs observed for

A

August to September 2010

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7
Q

What were the warning signs observed by the CVGHM in Indonesia

A

Increase in hydrogen chloride gas
Swelling of volcano by 4200mm per day
Increase in earthquake activity - 10 a day at 2.5

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8
Q

What were the dates of the two eruptions in Iceland

A

1st: March 20th 2010
2nd: April 14th 2010

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