Examine the map and text above which give information on volcanoes in Indonesia and answer each of the following questions - Leaving Cert Geography - Question 3A - 2021
Question 3A
Examine the map and text above which give information on volcanoes in Indonesia and answer each of the following questions.
(i) Name the volcano closest to Agung on... show full transcript
Worked Solution & Example Answer:Examine the map and text above which give information on volcanoes in Indonesia and answer each of the following questions - Leaving Cert Geography - Question 3A - 2021
Step 1
Name the volcano closest to Agung on the island of Bali.
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Answer
The volcano closest to Agung on the island of Bali is Batur.
Step 2
In which direction is the Australian Plate moving and at what speed (in mm/year) is it moving?
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Answer
The Australian Plate is moving in a north-north-east direction at a speed of 70 mm/year.
Step 3
Name two pyroclastic materials that are ejected from a volcano during an eruption.
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Answer
Two examples of pyroclastic materials are ash and pumice.
Step 4
Name the structure that forms when a volcano has collapsed on itself after an eruption.
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Answer
The structure formed when a volcano collapses on itself is called a caldera.
Step 5
Explain briefly what is meant by the process of subduction.
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Answer
Subduction is the geological process where one tectonic plate moves under another and is forced into the mantle. This process is associated with volcanic activity, as the subducted plate melts and contributes to magma formation.
Step 6
Explain briefly what is meant by a dormant volcano.
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Answer
A dormant volcano is one that has not erupted in a long time but has the potential to erupt again in the future. It is not currently active, but its geological features indicate that it could become active again.
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