Mt Pinatubo, Philippines, Asia eruption Flashcards
1
Q
date of eruption
A
June 12th-15th 1991
2
Q
physical causes of eruption
A
16th July 1990 earthquake with magnitude of 7.8 hit island Luzon. Philippines plate subducted under Eurasian plate
3
Q
did human activity influence the eruption?
A
NO
4
Q
social impacts
A
- 847 people killed from either collapsing roofs (300), lahars (100) and disease
- 58,000 evacuated from a 30km radius
- 1.2 million lost homes and migrated to shanty towns in Manila
5
Q
economic impacts
A
- houses and bridges destroyed, Manila airport closed
- heavy rainfall from Typhoon Yuga caused buildings to collapse
- farmland destroyed by ash, unstable for years, 1991 global harvest destroyed=650,000 lost jobs
6
Q
environmental impacts
A
- ash blown over hundreds of km, smothering fields and buildings
- lahars caused river bank erosion
- global cooling cause by ash in the atmosphere of 0.5c
7
Q
short term responses
A
- shanty type refugee camps set up to shelter the homeless
- emergency aid
- disaster relief from other countries (oxfam)
- some infrastructure replaced after 3 weeks
8
Q
long term responses
A
- little £ spent rebuilding as LEDC
- new school and housing
- local authorities have tried to encourage new investment in area but still high unemployment
