Hostile Worlds: Mt Pinatubo Flashcards
1
Q
Where
A
North West, Luzon
2
Q
When?
A
15 June 1991
1:42 pm
3
Q
What plates are involved?
A
Eurasian plate - continental
Philippine plate - oceanic
4
Q
what are the plates in?
A
subduction zone
5
Q
Warning signs
A
March - April magma rising towards the surface, 20 miles
many small earthquakes
gas emitted
June 1990 7.8 magnitude earthquake
volcanic gas and ash cloud before eruption
6
Q
Primary Effects
A
847 dead 2000km land ash covered mudflows farmland destroyed 30km steam and ash in the sky# 58 000 evacuated
7
Q
Seconday Effects
A
dying bc disease from evacuation centres 650 000 lost jobs $700 m damages no electricity contaminated water infrastructure destroyed airport closed global cooling 0.5 c lahar bc of heavy rainfall
8
Q
What was done to minimise the effects?
A
US Geological Service helped predict evacuated up to 30 km radius alert systems put into place evacuation camps for refugees Red Cross & US organized short and long term aid
