(Potential Global Impacts On People And Environment Of Supervolcano Eruption) Yellowstone Wyoming USA Flashcards
(4 cards)
1
Q
What is the definition of a supervolcano?
A
Supervolcano=1000km3 of material ejected during explosion
2
Q
When was the last explosion and what is the size of the chamber?
A
•Last exploded 70,000 years ago
Chamber is 80km long and 20km wide
3
Q
What are the potential impacts on people?
A
•Everyone in 1000km radius killed
•Approximately 90,000 die from inhaling ash
•water supplies undrinkable
4
Q
What are potential impacts on environment?
A
•2,000 million tonnes of sulphur enter atmosphere
•Global temperature would drop by 10 degrees for 6-10 years
