Mount Pinatubo Eruption Facts

The video discusses the 1991 eruption of Mount Pinatubo in the Philippines, the second largest land-based eruption of the 20th century. It caused significant environmental and climatic effects, including a reduction in the ozone layer and a global temperature drop. The eruption released massive amounts of sulfur dioxide, lava, and metals, leading to widespread destruction, economic loss, and displacement of people. The video concludes with a discussion on the unpredictability of future eruptions and the importance of monitoring volcanic activity.

What was the date of the Mount Pinatubo eruption?

• July 15, 1990

• July 15, 1991

• June 15, 1991

• June 15, 1990

Which eruption was the largest land-based eruption of the 20th century?

• Mount St. Helens, 1980

• Alaska, 1912

• Krakatoa, 1883

• Mount Pinatubo, 1991

How did the Mount Pinatubo eruption affect global temperatures?

• Increased by 1 degree Fahrenheit

• Decreased by 1 degree Fahrenheit

• No change

• Increased by 2 degrees Fahrenheit

What was the last known eruption of Mount Pinatubo before 1991?

• 1800 A.D.

• 1700 A.D.

• 1600 A.D.

• 1500 A.D.

How much sulfur dioxide was released during the eruption?

• 10 million tons

• 22 million tons

• 5 million tons

• 15 million tons

Which metal was NOT mentioned as being brought to the surface by the eruption?

• Zinc

• Gold

• Copper

• Chromium

How many acres of farmland were rendered useless by the ash cloud?

• 100,000 acres

• 300,000 acres

• 200,000 acres

• 400,000 acres

What was the impact of the ash cloud on aircraft?

• Damaged jet engines

• Improved engine performance

• No impact

• Increased fuel efficiency

How many people were displaced due to the eruption?

• 1.2 million

• 800,000

• 500,000

• 2 million

What was the estimated short-term economic loss caused by the eruption?

• Over half a billion dollars

• Over a billion dollars

• Over a hundred million dollars

• Over a million dollars