Podcast
Questions and Answers
A volcano that shows unusual signs of activity like earthquakes and gas emissions would be classified as what?
A volcano that shows unusual signs of activity like earthquakes and gas emissions would be classified as what?
- Dormant
- Inactive
- Active (correct)
- Extinct
If a volcano hasn't erupted in 12,000 years, but shows signs of potential future eruptions, how would it likely be classified?
If a volcano hasn't erupted in 12,000 years, but shows signs of potential future eruptions, how would it likely be classified?
- Active
- Subglacial
- Extinct
- Inactive (correct)
Which type of volcano is most likely to be found under an icecap?
Which type of volcano is most likely to be found under an icecap?
- Continental volcano
- Submarine volcano
- Shield volcano
- Subglacial volcano (correct)
A volcano that last erupted 9,000 years ago is exhibiting increased gas emissions. How would scientists most likely classify it?
A volcano that last erupted 9,000 years ago is exhibiting increased gas emissions. How would scientists most likely classify it?
Which of the following is NOT a primary classification criterion for volcanoes?
Which of the following is NOT a primary classification criterion for volcanoes?
A newly discovered volcano hasn't erupted in recorded history, but geological data suggests it erupted 5,000 years ago. How would it most likely be classified based on eruption history?
A newly discovered volcano hasn't erupted in recorded history, but geological data suggests it erupted 5,000 years ago. How would it most likely be classified based on eruption history?
If a volcano is located on land, what is it called?
If a volcano is located on land, what is it called?
Which of the following lists includes exclusively types of volcanoes?
Which of the following lists includes exclusively types of volcanoes?
How does the definition of an 'active volcano' change based on the criteria used by scientists?
How does the definition of an 'active volcano' change based on the criteria used by scientists?
A volcano is dormant and scientists cannot determine when the last eruption was. What could they use to classify the volcano as either active or inactive?
A volcano is dormant and scientists cannot determine when the last eruption was. What could they use to classify the volcano as either active or inactive?
Flashcards
Continental Volcanoes
Continental Volcanoes
Volcanoes located on landmasses.
Submarine Volcanoes
Submarine Volcanoes
Volcanoes located on the ocean floor.
Subglacial Volcanoes
Subglacial Volcanoes
Volcanoes located beneath ice caps or glaciers.
Active Volcano
Active Volcano
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Inactive Volcano
Inactive Volcano
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Cinder/Pyroclastic cones
Cinder/Pyroclastic cones
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Shield volcanoes
Shield volcanoes
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Composite volcanoes
Composite volcanoes
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Fissure volcanoes
Fissure volcanoes
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Study Notes
- Volcanoes can be categorized based on their location and frequency of eruption
Volcano Locations
- Continental volcanoes are found on continents
- Submarine volcanoes are located beneath the ocean
- Subglacial volcanoes are situated underneath icecaps
Frequency of Eruption
- Volcanoes are classified as active, inactive, or extinct based on their eruption frequency
Active Volcanoes
- Many scientists consider a volcano active if it has erupted within the last 10,000 years, encompassing approximately 1,500 volcanoes worldwide
- A volcano is considered active if it has erupted within recorded history, including more than 500 volcanoes
- Currently erupting volcanoes, or those showing unusual activity such as earthquakes and gas emissions, are termed active
Inactive Volcanoes
- Inactive volcanoes are those that could erupt but have not done so for over 10,000 years
- Inactive volcanoes are also referred to as dormant or sleeping volcanoes
Types of Volcanoes
- Cinder/pyroclastic cones
- Shield volcanoes
- Composite volcanoes
- Fissure volcanoes
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