1908 Tunguska Event Quiz

What was the speed of the asteroid when it entered Earth's atmosphere?

• 54,000 km per hour

• 45,000 km per hour

• 60,000 km per hour

• 50,000 km per hour

How powerful was the explosion of the asteroid in comparison to the Hiroshima bomb?

• 100 times more powerful

• 10 times more powerful

• 200 times more powerful

• 185 times more powerful

What was the area over which the shock wave from the explosion flattened 80 million trees?

• 2,000 square kilometres

• 1,500 square kilometres

• 2,500 square kilometres

• 2,150 square kilometres

From how far away was the blast of the explosion visible?

• 700 km

• 600 km

• 800 km

• 500 km

What was the diameter of the asteroid that caused the explosion?

• 50–100 meters

• 200–250 meters

• 100–150 meters

• 150–200 meters

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What was the estimated energy released by the asteroid explosion?

• 10 megatons

• 20 megatons

• 30 megatons

• 40 megatons

How long did it take for the shock wave to travel around the Earth?

• 32 hours

• 48 hours

• 24 hours

• 36 hours

What was the estimated mass of the asteroid that caused the explosion?

• 100,000 tons

• 200,000 tons

• 300,000 tons

• 400,000 tons