Yellowstone

Question 1

Location of Yellowstone

Answer 1

National Park in the Northern Rocky Mountain Range

Question 2

Which states does Yellowstone cover?

Answer 2

Mostly Wyoming, crosses into Montana in the North and Idaho in the West

Question 3

What are the warning signs of a supervolcano eruption? (6)

Answer 3

• Lots of small earthquakes
• Increase in ground temperature
• Increased frequency of geysers
• Ground rises
• Trees dying
• Wildlife (Byson) poisoned by toxic gases

Question 4

How long has it been since the last Yellowstone eruption?

Answer 4

640,000 years

Question 5

Local effects of Yellowstone(6)

Answer 5

• Tourism means high exposure
• Pyroclastic flow for 100 miles
• Pyroclastic flow travels at 100 mph
• Evacuation of 100 mile danger zone
• Local towns destroyed - Bozeman, Montana
• 90% of population could die (87,000)

Question 6

How far will the pyroclastic flow reach from Yellowstone?

Answer 6

100 miles

Question 7

How fast does the pyroclastic flow travel from Yellowstone?

Answer 7

100mph

Question 8

How many people could die in the local area from Yellowstone?

Answer 8

87,000 people

Question 9

National effects of Yellowstone (5)

Answer 9

• 400,000 people at risk in USA
• Ash falls 20 feet deep, roof collapse
• Masks would be needed for all of USA
• Animals die from breathing in ash
• Fluorine gas - crippling and then death

Question 10

How many people are at risk in the USA from Yellowstone?

Answer 10

400,000 people

Question 11

How deep will the ash fall from Yellowstone?

Answer 11

20 feet

Question 12

Global effects of Yellowstone (3)

Answer 12

• Sulphur into stratosphere deflect the sunlight, a decrease of 15˚C in tropics
• Monsoon rains fail - two fifths of world population starves
• Halts air traffic for months - business and tourism suffer

Question 13

What will be the temperature decrease in the tropics?

Answer 13

15˚C

Question 14

What will be the temperature decrease in the tropics?

Answer 14

15˚C

Question 15

How much of the world population will starve in the monsoon rains fail?

Answer 15

Two fifths