Volcanic eruption-case study

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Where are the Soufriere Hills?
Montserrat
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When did this erupt?
1997
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What was the date of the eruption?
June 25th 1997
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When did small eruptions start?
1995
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What was the size of the eruption?
large-4-5 million m3 of rocks and gas released
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What was the death toll?
19 killed
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Cause-Montserrat is above a destructive plate margin , where the Atlantic plate is being forced under?
the Caribbean plate
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Cause-Magma rose up through weak points under the Soufriere hill forming?
an underground pool of magma
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Cause-the rock above the pool collapsed , opening?
a vent and causing the eruption
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Give 5 primary impacts?
1) Large areas were covered with volcanic material-the capital city Plymouth was buried under 12m of mud and ash 2) Over 20 villages and 2/3 of homes on the island were destroyed by pyroclastic flows
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Give 3 primary impacts?
3)Schools , hospitals , the airport and port were destroyed 4)Vegetation and farmland were destroyed 5) 19 people killed and 7 were injured
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Give 2 secondary impacts?
1)Fires destroyed many buildings including local goverment offices, the police headquarters and the town's central petrol station. 2) Tourists stayed away and businesses were destroyed,disrupting the economy. 3)Population decline
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Give 2 secondary impacts?
4)Volcanic ash from the eruption has improved soil fertility 5) Tourism on the island is now increasing as people come to see the volcano
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What are 4 the immediate responses?
1)People were evacuated from south to safe areas in north. 2)Shelters were built to house evacuees 3)Temporary infrastructure was also built.(roads and electricity supplies)4)The UK provided £17 million of emergency aid
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What was the immediate responses?
Local emergency services provided support units to search for and rescue survivors
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What are the 2 long term responses?
1)A risk map was created and an exclusion zone in place.The south of the island is off limits while the volcano is still active. 2)The UK had provided £41 million to develop the north of the island- new docks.an airport and houses have been bt north
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Give another long term response?
The Montserrat Volcano Observatory has been set up to try and predict future eruptions
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Card 2

Front

When did this erupt?

Back

1997

Card 3

Front

What was the date of the eruption?

Back

Preview of the front of card 3

Card 4

Front

When did small eruptions start?

Back

Preview of the front of card 4

Card 5

Front

What was the size of the eruption?

Back

Preview of the front of card 5
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