tectonics MONTSERRAT 1995-1997 Flashcards

(4 cards)

1
Q

MONTSERRAT ERUPTION 1995-1997
facts

A
  • eruption started with pyroclastic flow and mudflows.
  • lava so thick it could not flow — built up into a huge lava dome — parts became unstable and collapsed, forming hot, fast moving avalanches of lava blocks, gas and dust.
  • earthquakes in 3 epicentre zones
  • islands airport completely destroyed by pyroclastic flow
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2
Q

MONTSERRAT ERUPTION 1995-1997
primary effects

A
  • 19 killed by pyroclastic flow
  • 2 thirds of island covered in ash
  • 50% of the population were evacuated to the north
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3
Q

MONTSERRAT ERUPTION 1995-1997
secondary effects

A

destroyed farming and tourism industry
vegetation destroyed by acid rain
population decreased from 11000 to 4000

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4
Q

MONTSERRAT ERUPTION 1995-1997
response

A

£41 mil donated by british gov to help nation rebuild
Montserrat is british overseas territory — helped to monitor eruption, respond and facilitate evacuation

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