Examine the map above and answer the following questions - Leaving Cert Geography - Question A - 2012
Question A
Examine the map above and answer the following questions.
(i) Name the plates marked X and Y.
(ii) What is the average annual movement of the Indo-Australian Plate... show full transcript
Worked Solution & Example Answer:Examine the map above and answer the following questions - Leaving Cert Geography - Question A - 2012
Step 1
Name the plates marked X and Y.
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Answer
The plate marked X is the Eurasian Plate and the plate marked Y is the Pacific Plate.
Step 2
What is the average annual movement of the Indo-Australian Plate?
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Answer
The average annual movement of the Indo-Australian Plate is 55 mm per year.
Step 3
Explain what is meant by the term 'epicentre'.
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The term 'epicentre' refers to the point on the Earth's surface that is directly above the focus of an earthquake. At this point, the seismic waves are felt most strongly and can cause maximum damage.
Step 4
Given that the epicentre of the earthquake shown above is off shore, name and briefly explain the main effect of this earthquake on the sea.
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The main effect of this offshore earthquake is the potential generation of a tsunami. A tsunami is a series of ocean waves caused by large disturbances, such as earthquakes, that displace a significant volume of water, potentially leading to devastating effects on coastal areas.
Step 5
Name two scales that measure the magnitude/intensity of an earthquake.
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Two scales that measure the magnitude/intensity of an earthquake are the Richter Scale and the Moment Magnitude Scale (Mw).
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