La Pama, september 2021 Flashcards

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1
Q

what income

A

MIC

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2
Q

plate boundary

A

Hot spot on the African plate

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3
Q

what volcano was it

A

seamount - built up lava over last 4 million years to rise 2,400m above ocean surface

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4
Q

what happened throughout eruption making it worse

A

the cone collapsed and vents opened

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5
Q

how many earthquakes and what magnitude

A

22,000 earthquakes over a week
(max magnitude is 3.5)

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6
Q

lava flow

A

1 km wide covering 650ha

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7
Q

how high were the plumes of ash and gas

A

2-3 Km high

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8
Q

deaths?

A

none

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9
Q

impacts on infrastructure

A

-2,500 buildings destroyed
-closure of airspace

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10
Q

what were the hazards and what did the hazards affect

A

Lava flow and ash falls affected banana plantations

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11
Q

response

A

7,000 evacuated
70 million made available to support local farming and fishing industries
-emergency new access road to enable evacuation

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12
Q

what VEI scale

A

2 for the first two months

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13
Q

what type of lava

A

basaltic

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