Mount St Helens - Volcano Case Stuy

Question 1

When did it erupt?

Answer 1

18th May, 1980.

Question 2

Where did it erupt?

Answer 2

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

Question 3

How many people were killed?(short)

Answer 3

57.

Question 4

How many homes were destroyed?(short)

Answer 4

250.

Question 5

What lake was damaged?(short)

Answer 5

Spirit Lake.

Question 6

What was destroyed?(short)

Answer 6

Salmon Hatchery and logging camps.

Question 7

What were washed away?(short)

Answer 7

Roads & bridges.

Question 8

What were cut off?(short)

Answer 8

Electricity and phone lines.

Question 9

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

Answer 9

5.1.

Question 10

What percent of crops were destroyed?(long)

Answer 10

12% - loss of farming income.

Question 11

Why was there no food for animals?(long)

Answer 11

All vegetation was destroyed.

Question 12

When did small eruptions continue until?(long)

Answer 12

1886.

Question 13

What were the cost for repairs?(long)

Answer 13

$2 billion.

Question 14

What were helicopters used for?(immediate)

Answer 14

Search and rescue of survivors.

Question 15

What was given in nearby towns?(immediate)

Answer 15

Emergency medical treatment.

Question 16

What were provided to filter dust?(immediate)

Answer 16

Masks.

Question 17

What were roads cleared of?(immediate)

Answer 17

Ash (1km deep in places).

Question 18

Rebuilding of what?(long term)

Answer 18

Homes and buildings.

Question 19

Clearing of what?(long term)

Answer 19

Drainage channels.

Question 20

Replanting of what?(long term)

Answer 20

Fallen trees.

Question 21

Attracting back what to the area?(long term)

Answer 21

Tourists - improving economy.