Mount Pinatubo, Philippines, LEDC Volcanic Eruption Flashcards
Why was Mount Pinatubo no longer considered as a hazard?
It had not erupted since 1380
What happened on 2nd April, 1991?
A steam explosion surprised the villagers and the Pinatubo Volcanic Observatory(PVO) was set up
What did the PVO do?
They created a hazard zone map to help with setting evacuation procedures
How many people were evacuated from Angeles?
15,000 personnel from the US Air Base
On June 12th, how high did the ash reach?
30km
What was the magnitude of the earthquake following the eruption?
7.7
How many buildings collapsed?
200,000
Why did so many buildings collapse?
They had flat roofs which collected the ash. There was poor enforcement of building regulations as this is a poor country
How many people died due to collapsing roofs?
300
What was the impact of the thick ash fall?
Harvest of 1991 was ruined and planting was impossible for 1992
How many farm animals died?
Over 1 million
What was the main cause of death in the refugee camps?
Diseases such as malaria, chicken pox etc
What caused heavy rain fall and flooding in 1993?
Typhoons
Were the primary or secondary impacts greater?
Secondary
How many people died from lahars?
77
