Exploring the Eruption of Krakatoa in 1883

What geographical location did Krakatoa occupy?

• Between Java and Sumatra in the Sunda Strait

• Between Australia and New Zealand

• North of the Philippines

• East of Madagascar

Which plates' subduction influenced Krakatoa's volcanic activity?

• Eurasian and Indo-Australian Plates

• Nazca and South American Plates

• African and Arabian Plates

• North American and Pacific Plates

What was observed by the captain of the Elizabeth in May 1883?

• Clouds of ash and steam from Krakatoa

• Formation of new islands

• Unusual marine activity in the vicinity

• A complete silence from the volcano

How high was debris thrown into the air during the eruption's escalation?

• 15 miles

• 5 miles

• 20 miles

• 10 miles

What was the estimated power of the Krakatoa eruption?

• 200 megatons of TNT

• 300 megatons of TNT

• 50 megatons of TNT

• 100 megatons of TNT

How far away was the eruption heard?

• 2,500 miles away

• 3,000 miles away

• 1,000 miles away

• 5,000 miles away

How many tsunamis were caused by the eruption?

• No tsunamis

• Two small tsunamis

• Multiple tsunamis

• One large tsunami

What long-term atmospheric effect did the eruption cause?

• Disrupted global weather patterns for over five years

• Immediate clearing of the skies

• Decrease in global temperatures for one year

• Increase in global oxygen levels