Podcast
Questions and Answers
What is the name given to the theory of moving lithospheric plates?
What is the name given to the theory of moving lithospheric plates?
- Plate theory
- Crustal movement theory
- Tectonics theory
- Plate tectonics (correct)
Which type of seismic wave travels on the surface of the Earth?
Which type of seismic wave travels on the surface of the Earth?
- Long surface waves (L-waves) (correct)
- Tertiary (T-waves)
- Secondary (S-waves)
- Primary (P-waves)
How do seismic recording stations determine the distance of an earthquake's focus?
How do seismic recording stations determine the distance of an earthquake's focus?
- By observing the pattern of seismic waves
- By measuring the duration of the earthquake
- By calculating the difference in arrival times of P-waves and S-waves (correct)
- By analyzing the amplitude of seismic waves
What is the main consequence of moving crustal plates discussed in the text?
What is the main consequence of moving crustal plates discussed in the text?
What is the total number of seismic waves mentioned in the text?
What is the total number of seismic waves mentioned in the text?
What is the defining characteristic of an active volcano?
What is the defining characteristic of an active volcano?
Which region has a shorter span of recorded history for active volcanoes?
Which region has a shorter span of recorded history for active volcanoes?
How many potentially active volcanoes are recognized by the Smithsonian Global Volcanism Program as of March 2021?
How many potentially active volcanoes are recognized by the Smithsonian Global Volcanism Program as of March 2021?
What distinguishes a dormant volcano from an active one?
What distinguishes a dormant volcano from an active one?
Where are many active volcanoes located?
Where are many active volcanoes located?
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