Kilauea Flashcards

1
Q

Where is Kilauea located?

A

Hawaii

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2
Q

What does Kilauea rank internationally number 1 for?

A

for being one of the most active volcanoes in the world

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3
Q

Since when has Kilauea been erupting?

A

1983

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4
Q

What type of volcano is kilauea?

A

a broad shield volcano

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5
Q

What type of lava flow does Kilauea have?

A

basaltic lava flows

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6
Q

How does the lava flows affect the eruptions?

A

the eruptions are more effusive

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7
Q

What is Kilauea on top of?

A

a mantle plume (oceanic hotspot)

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8
Q

How many shield volcanoes are there in Hawaii?

A

5

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9
Q

What is the main primary impact of Kilauea?

A

lava

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10
Q

How much land has lava covered since 1983? (Kilauea)

A

100km2

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11
Q

What is an example of the lava impacts in 1990?

A

In 1990, Kalpana village was buried between 15-24m of lava

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12
Q

What happens when lava comes into contact with water in Kilauea?

A

Steam forms and lava explodes into the air which endangers sea life

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13
Q

What is a positive secondary tourism impact of Kilauea?

A

2.6 million tourists visit Hawaii Volcanoes National Park yearly

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14
Q

What is an positive economic secondary impact of Kilauea?

A

lava produces fertile soil, so good place to grow crops such as sugar cane and pineapple which contributes US$30million per year

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15
Q

What has Kilauea been doing steadily since 1986?

A

It been steadily releasing up to 200 tonnes a day of sulphur dioxide gas

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16
Q

What are the impacts of the sulphur dioxide gas?

A

-potentially lethal 1km of the volcano
-persistent air pollution
-acid rain

17
Q

What are the human secondary impacts of sulphur dioxide?

A

damages crops, cars, vehicles, buildings and can contaminate water supplies

18
Q

What is located close to Kilauea that aids monitoring?

A

The Hawaiian volcano observatory is located close to the crater

19
Q

What do volcanologists at the observatory do?

A

monitor the volcano and issue warning about possible evacuations and eruptions

20
Q

What is a potential risk in Kilauea?

A

weak planning laws and a growing population mean building is occurring in area at risk from the volcano

21
Q

What would make a Kilauea explosion do devestating?

A

there are thousand of visitors on Kilauea daily