tectonics MT PINATUBO 1991 ERUPTION

Question 1

MT PINATUBO, PHILIPPINES 1991 ERUPTION
facts

Answer 1

• destructive boundary
• 6 VEI (2nd worst in history)
• category 5 typhoon at the same time - BOILING RAIN
• US military base evacuated w/o telling for TWO WEEKS

Question 2

MT PINATUBO, PHILIPPINES 1991 ERUPTION
impacts

Answer 2

• 850 killed
• 650000 jobs lost
• 1.2 million homeless
• $700 million damages

Question 3

MT PINATUBO, PHILIPPINES 1991 ERUPTION
management attempt

Answer 3

• 75000 evacuated — 30km radius
  — USA airforce helicopters helped
• permanent monitoring points set up
• alert systems put into place
• evac. camps built for refugees
• long and short term aid organised (Red Cross & US)

Question 4

MT PINATUBO, PHILIPPINES 1991 ERUPTION
factors affecting vulnerability

Answer 4

• high population in the area pre-evac
• volcano central to the island
• eruption lasted 10 hours
• people more responsive at midday (when eruption occurred)

Question 5

MT PINATUBO, PHILIPPINES 1991 ERUPTION
monitoring & predicting

Answer 5

cost $15 million
philippine & US gov. and NGOs spent about $40 million together to evacuate, house & feed local residents & American military personnel