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Case Study Location: Washington State, North West USA
Mt St Helens
Use of the
Case Study A case study of a volcanic eruption- its Rich
cause; primary and secondary effects;
positive and negative impacts;
immediate and long term responses.
Key facts
and 18th May 1980 eruption, destructive
figures: plate…

Page 2

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Immediate Helicopters search and rescue Long term Communications such as roads and
response Evacuation & exclusion zone response bridges repaired
People re-housed
Dust masks issued by the governor Forest re-planted

Example For a named volcanic eruption, describe Answer
Exam the immediate and long-term responses (Continue
Question: to the eruption. (8…


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