mt pinatubo Flashcards
when was the eruption?
1991
what date where successive earthquakes felt?
march 1991
when was the first eruption?
may 1991
what was created on the 12 th june?
very violent eruptions creating a 24km high ash cloud
what was created on the 15th june?
pyroclastic flows travelling at 16km
34km ash cloud
why did the area suffer from lahars?
seasonal rainfall mixed with ash
heavy rain brought by typhoon yunga
how many people lived in the flanks?
30,000
did not know about the volcano
indigenous tribes
what are the two plates that caused the eruption?
eurasion plate subducting under phillipines
before 1991 when did the volcano last explode violently?
3000 years ago
how long did the final eruption last?
3 hours
how were people evacuated?
scientists immediately started monitoring the volcano using carbon dating, radon gas and ash
tens of thousands of people evacuated
how many people died
around 850
how far did the ash cloud extend?
25,000km2 brought darkness to the area
also global temp dropped by 0.5 degrees
how many homes were destroyed?
8000
why did children miss out on education?
many schools in the area were destroyed
how many evacuation zones were there?
3
how many commercial airfreights were damaged in the ash?
16
what was the VEI of the volcano?
6
second most explosive in 20th century
how much did the eruption cost?
$700mil
why was it such an economical loss for the phillipines?
as 10% of all money earn in the phillipines was made in this area
what was an immediate air response?
manilla airport close d
what did the governemt do after the volcano?
conducted rehabilitation and reconstruction schemes
wha was part of the rehabilitation and reconstruction schemes?
building of mega dikes
reduce further flooding
how much was the agricultural rehabilitatio programme?
190 million
what happened to indigenous tribes?
resettled in governement owned housing
how much sulphur dioxide was released?
15 million tonnes
acid rain
who provided material for shelter?
USAID
how much money did UN give >
50,000
how many people evacuated before 12th june//
1,1 million
what did farmers start growing?
peanuts and food that ripens quick to avoid lahars