12 Questions
Which type of volcanic eruption is characterized by a violent eruption due to the contact between water and magma?
Phreatomagmatic
What is the characteristic of a short-lived, stream-driven volcanic eruption?
Hydrothermal
In terms of volcanic landforms, what is the name of the lowest part or supporting layer of a volcano?
Base
Which record of volcanic activity is characterized by an eruption column reaching up to 20 km high with pyroclastic flow and ashfall tephra?
Plinian
Which type of volcano is Mayon volcano classified as based on its perfect cone shape?
Shield
What eruption style is characterized by the production of columns of ashes and hot rocks coming into contact with water, as seen in Taal Volcano's eruption?
Phreatomagmatic
Which of the following is NOT a sign indicating an impending volcanic eruption?
Explosion with lava and ashes
Where can we find an opening on the external part of a volcano that may be either a crater or a caldera?
Summit
Which of the following indicators could suggest an imminent volcanic eruption?
Increase in the extent of drying up of vegetation around the volcano’s upper slopes
Which of the following volcanoes in the Philippines is correctly classified as a Composite Cone?
Mayon Volcano
What is NOT a typical external part of a volcano?
Magma
Which description does NOT fit an active volcano?
Have not erupted for the last 10,000 years
Test your knowledge on different types of volcanic eruptions by identifying signs of impending eruption. Determine the characteristics of hydrothermal, pyroclastic, Plinian, phreatomagmatic, Strombolian, Vulcanian eruptions, and more.
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