Volcanoes mount Serrat/Pinatubo case studies - TECTONICS Flashcards
1
Q
Year of mount Pinatubo eruption
A
1991
2
Q
Location of mount Pinatubo
A
Luronnes, Philippines
3
Q
Magnitude of mount Pinatubo
A
7.8
4
Q
Main concerns on mount Pinatubo
A
- ash surrounding land
-rising magma may corrupt groundwater with gases like sulphur
-diseases broke out in camp
-200,000 homeless
5
Q
Regional impacts of mount Pinatubo (2)
A
- eruption effected weather globally
- huge quantities of ash particles in wind system
6
Q
Primary impacts of mount Pinatubo (11)
A
- 58,000 evacuated
-2 million effected
-ash damaged crops - 1.2 million lost their homes
-farmland destroyed
-volcanic ash blown in all directions - mudflows cause sever river bank erosion
- $700 million damages
-electricity went off
-Water contaminated
-road links destroyed
7
Q
Secondary impacts of mount Pinatubo (3)
A
- heavy rainfall from typhoon yungu causes buildings to collapse
-650,000 people lost their jobs - area around Pinatubo completely reshaped
8
Q
What they do today in mount Pinatubo
A
- safe place to visit
- trekking is popular activity among locals and tourist
9
Q
Year of mount Serrat eruption
A
1995–96
10
Q
Location of mount Serrat
A
Small island in the Caribbean
11
Q
Type of plate boundary for mount Serrat
A
Destructive
12
Q
Hazards for mount Serrat
A
- air quality is poor
- volcanic gas
- lava flows
-avalanche flows
-pyroclastic flows
13
Q
Primary impacts of mount serrât
A
- rockfall blocked roads
- farmland destroyed main source of food
- houses buried under debris
- one airport and one port
- pyroclastic flow spread, killed 19 people and flattened tress, leavening no vegetation
14
Q
Secondary impacts of mount serrat (2)
A
-agricultural sector destroyed
- economic stability remain elusive ( difficult)
15
Q
Short term response for mount serrat (3)
A
- evacuation of thousands
- British government gave money for compensation and redevelopment
- unemployment ose due to collapse of tourist industry
16
Q
Long term response for mount serrat
A
- exclusion zone set up
- volcanic observatory built to monitor volcanoes
- new roads and airport built
- Growth in tourism
17
Q
Prediction for mount serrat (2)
A
- low death toll (19 ) as scientists correctly predicted likely hazards such as pryoclastic flow and ash flows
- areas around mountain were exclusion zones
