Volcanic Eruption Case Study - Montserrat Flashcards Preview

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Flashcards in Volcanic Eruption Case Study - Montserrat Deck (24)
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1

What is the nae of the volcano on Montserrat?

The Chances Peak Volcano (Soufriere Hills)

2

Where is Montserrat?

In the Caribbean, close to the equator

3

What type of plate margin was the volcano formed by?

Destructive, where the North America and Caribbean plats meet.

4

When did the volcano erupt?

25th June 1997

5

How many people had to leave the island?

Over 70% of the 11,000 residents

6

What happened to many of the houses on Montserrat?

They were buried under 40ft of ash

7

How many people died?

19

8

How much of the island was placed in an 'exclusion zone'?

Over half, including the capital city, Plymouth.

9

How much of the island was left uninhabitable?

2/3

10

What effect did pyroclastic flows have on the island?

They extended the coastline into the sea.

11

What other natural hazards did the volcano emit?

Lahars (mud flows) and huge quantities of ash.

12

How much material was released by the volcano?

4.5 million m2

13

What happened to the capital city of Plymouth?

It was buried under 12m of mud and ash

14

What happened to 2/3 of homes on the island?

They were destroyed by pyroclastic flows, along with 20 villages

15

How were social facilities impacted?

Schools, hospitals, the airport and the port were all destroyed

16

How were farmers affected?

Large areas of vegetation and farmland were destroyed

17

How was the economy disrupted?

Tourists stayed away, and many businesses were destroyed, resulting in a loss of income

18

What happened to the island's population?

8000 of the island's 12,000 residents have left since the eruptions began in 1995

19

How has the volcano had an effect on tourism in recent years?

More tourists have been coming to see the volcano

20

Which buildings were destroyed by secondary effect fires?

Government offices, the police headquarters and petrol stations

21

How did the UK provide aid?

£17 million was provided in emergency aid, as Montserrat is an overseas territory

22

How has the UK provided aid for development since the eruption?

£41 million was provded to develop the north of the island, new docks, and airport and houses have already been built

23

How has the island worked to improve predictions of eruptions?

The Montserrat Volcano Observatory has been set up

24

Why were farmers and remaining farmland put under stress?

They had to produce as much food as possible, because the airport and port had been destroyed