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Questions and Answers
What is the Pacific Ring of Fire primarily known for?
What is the Pacific Ring of Fire primarily known for?
- Rich marine biodiversity
- Calm ocean currents
- High population density
- Active volcanoes and frequent earthquakes (correct)
Which of the following eruptions released significant amounts of sulfur dioxide into the atmosphere?
Which of the following eruptions released significant amounts of sulfur dioxide into the atmosphere?
- Mount St. Helens
- Mount Pinatubo (correct)
- Mount Fuji
- Mount Paricutin
What was the magnitude of the earthquake that struck Japan on March 11, 2011?
What was the magnitude of the earthquake that struck Japan on March 11, 2011?
- 8.5
- 8.0
- 9.5
- 9.0 (correct)
Which country experienced a 9.5 magnitude earthquake in 1960?
Which country experienced a 9.5 magnitude earthquake in 1960?
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What was a significant consequence of the 1991 eruption of Mount Pinatubo in the Philippines?
What was a significant consequence of the 1991 eruption of Mount Pinatubo in the Philippines?
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Study Notes
PACIFIC RING OF FIRE
- Known as the Circum-Pacific Belt, this is a seismic area along the Pacific Ocean.
- Characterized by high volcanic activity and frequent earthquakes.
MICHOACAN, MEXICO
- Formed by the interaction of the Rivera and Cocos tectonic plates with the North American plate.
- Notable event: Eruption of Mt. Paricutin occurred between 1943-1952.
TOHOKU, JAPAN
- March 11, 2011, witnessed a massive 9.0 magnitude earthquake.
- Resulted in a significant tsunami, reaching heights of almost 40 meters along the east coast.
LUZON, PHILIPPINES
- Mount Pinatubo erupted on June 15, 1991.
- Released vast amounts of sulfur dioxide into the atmosphere, causing widespread environmental damage.
- The eruption resulted in numerous fatalities and the destruction of infrastructure.
CHILE
- A nation frequently affected by earthquakes due to its location on the Pacific Ring of Fire.
- Significant seismic events:
- February 27, 2010: Recorded an 8.8 magnitude earthquake.
- April 1, 2014: Experienced an 8.2 magnitude earthquake.
- May 22, 1960: The largest recorded 9.5 magnitude earthquake generated an 11.5-meter tsunami.
- March 16, 2014: Recorded a 6.7 magnitude earthquake accompanied by several aftershocks.
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