Podcast
Questions and Answers
What is the definition of an active volcano?
What is the definition of an active volcano?
- A volcano that is considered dormant
- A volcano that has erupted at least once in the past 10,000 years (correct)
- A volcano that has not erupted in the past 10,000 years
- A volcano that is currently erupting
What is the difference between an active volcano and a dormant volcano?
What is the difference between an active volcano and a dormant volcano?
- Dormant volcanoes are not expected to erupt again, while active volcanoes are expected to erupt again in the future
- Active volcanoes have not erupted in the past 10,000 years, while dormant volcanoes have erupted in the past 10,000 years
- There is no difference between active and dormant volcanoes
- Active volcanoes are currently erupting, while dormant volcanoes are not currently erupting but may erupt again (correct)
What are the main factors that affect the viscosity of magma?
What are the main factors that affect the viscosity of magma?
- The type of rock the magma is moving through, and the speed of the eruption
- Temperature, chemical composition, and the amount of dissolved gases (correct)
- Depth, pressure, and the age of the volcano
- The size of the volcano, and the type of eruption
What are some of the key signs that a volcano may be entering a more active phase, according to PHIVOLCS?
What are some of the key signs that a volcano may be entering a more active phase, according to PHIVOLCS?
Which of the following best describes an inactive volcano?
Which of the following best describes an inactive volcano?
What is the highest volcano alert level, according to the information provided?
What is the highest volcano alert level, according to the information provided?
What is the funnel-shaped depression at the top of a volcano called?
What is the funnel-shaped depression at the top of a volcano called?
Which type of volcano is formed by the accumulation of lava flows?
Which type of volcano is formed by the accumulation of lava flows?
What is the term for molten rock inside the Earth?
What is the term for molten rock inside the Earth?
Which type of volcano is known for its large, nearly perfect sloped structure?
Which type of volcano is known for its large, nearly perfect sloped structure?
Which type of volcanic eruption is characterized by a violent eruption due to the contact between water and magma?
Which type of volcanic eruption is characterized by a violent eruption due to the contact between water and magma?
Which region is the Philippines situated in, known for its high volcanic activity?
Which region is the Philippines situated in, known for its high volcanic activity?
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