Mount St Helens - Volcano Case Stuy Flashcards Preview

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Flashcards in Mount St Helens - Volcano Case Stuy Deck (21)
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1
Q

When did it erupt?

A

18th May, 1980.

2
Q

Where did it erupt?

A

Mt St Helens in USA, Washington, on a Destructive plate margin.

3
Q

How many people were killed?(short)

A

57.

4
Q

How many homes were destroyed?(short)

A

250.

5
Q

What lake was damaged?(short)

A

Spirit Lake.

6
Q

What was destroyed?(short)

A

Salmon Hatchery and logging camps.

7
Q

What were washed away?(short)

A

Roads & bridges.

8
Q

What were cut off?(short)

A

Electricity and phone lines.

9
Q

What was the earthquake from it measure as on the richter scale?(short)

A

5.1.

10
Q

What percent of crops were destroyed?(long)

A

12% - loss of farming income.

11
Q

Why was there no food for animals?(long)

A

All vegetation was destroyed.

12
Q

When did small eruptions continue until?(long)

A

1886.

13
Q

What were the cost for repairs?(long)

A

$2 billion.

14
Q

What were helicopters used for?(immediate)

A

Search and rescue of survivors.

15
Q

What was given in nearby towns?(immediate)

A

Emergency medical treatment.

16
Q

What were provided to filter dust?(immediate)

A

Masks.

17
Q

What were roads cleared of?(immediate)

A

Ash (1km deep in places).

18
Q

Rebuilding of what?(long term)

A

Homes and buildings.

19
Q

Clearing of what?(long term)

A

Drainage channels.

20
Q

Replanting of what?(long term)

A

Fallen trees.

21
Q

Attracting back what to the area?(long term)

A

Tourists - improving economy.