Tectonics - Montserrat Volcano Flashcards
1
Q
names
A
Chances Peak
Soufriere Hills
2
Q
date
A
1997
3
Q
plate margin
A
convergent destructive
N American (O) subducting under Caribbean (C)
4
Q
peak VEI
A
6
5
Q
pyroclastic flows
A
destroyed capital of Plymouth
destroyed Bramble airport
6
Q
ash cloud height
A
9km
7
Q
death toll
A
19
8
Q
damage costs
A
£75 million
9
Q
exclusion zone
A
2/3 of island, including capital of Plymouth
10
Q
displacement
A
5000 people living in North of island
11
Q
unemployment
A
rose from 7% to 50% in aftermath
12
Q
duration
A
4 years
13
Q
frequency
A
dormant for 300 years
14
Q
speed of onset
A
detected initial earthquake and eruption of ash/steam showed volcanic activity was increasing
pyroclastic flows expected from all sides of volcano when lava dome increased
15
Q
governance
A
british overseas territory was effective at monitoring, evacuation and establishing exclusion zone
