mount pinatubo hazards Flashcards
When was the eruption and how long did it take to erupt?
> The eruption occurred in 1991
> It took 600 years for it to erupt again and it was the largest eruption in 50 years.
How many people died from the volcano?
> 350 people died from the volcano ( 300 of these were from collapsed roofs)
> Lahars killed 77 people
How many people were affected by the disaster?
> 2 million people
>
How did the ash affect the area?
> About 800,00 ha of farmland were buried under ash, disrupting the lives of 500,000 farmers.
> The ash prevented crops from growing in 1992.
> Ash being too heavy on houses, resulted in many collapsing.
How much money was lost?
> $711.4 million
What main infrastructure was affected?
> Manilla international airport closed down.
Houses, bridges and roads were destroyed by lahars.
Builidngs collapsed due to ash being too heavy on roofs.
What happened to a tribe and what was the tribe called?
> Aetas tribe lived at the foot of the volcano, however, they refused to move and therefore died.
> Many of the tribe also died in evacuation camps due to their isolated lifestyle which meant they were vulnerable to diseases.
> 94% of deaths at evacuation camps were Aetas tribe people.
What were the responses to the volcano?
> The USGS teamed up with PHIVOLCS in order to monitor the volcano.
> The PVO (Pinatubo volcano observatory) produced a volcano hazard map.
> The PVO informed the military on how violent the eruption was on a scale of 0-6
> A video was produced of lahars and pyroclastic flows to put out a message about how serious the hazards are.
why may people not have reacted to the volcano?
> People were aware that the volcano had erupted violently in the past and therefore little preparations were made.
> The inactivity of the volcano had no one scared.