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Question-1

What is a Tsunami?

Solution:
The term tsunami has been derived from the Japanese term ‘Tsu’ meaning harbour, and ‘nami’ meaning waves. Thus tsunami means ‘harbour waves’. Under water earth quakes and other disturbances cause these killer waves.

 

Question-2

Give a brief description of the tsunami that hit the Indian shores on 26th December, 2004.

Solution:
An undersea earthquake occurred on December 26, 2004, with an epicenter off the west coast of Sumatra, Indonesia. The earthquake triggered a series of devastating tsunamis along the coasts of most of the countries bordering the Indian Ocean. 225,000 people were killed in eleven countries.

Question-3

What are the precautions people living in tsunami prone areas should take?

Solution:
People living in tsunami prone areas should ensure that they live at a safe distance from the coast line. They should elevate their houses so that only a minimum damage is caused to property in the event of a tsunami.


They should live in houses that can with stand the onslaught of the killer waves.

A proper drainage system should be provided to ensure that there is no flooding of the surrounding areas.

People should have access to radio and TV, so that can be informed about impending danger. The most important thing is to follow the instructions given during emergency.


Question-4

What are the precautions people on land should take when tsunami warnings are given?

Solution:
When a tsunami warning is sounded, the whole family should immediately shift to a safer place. People should move to the upper floors of a multi-storied building. They should have disaster supplies kit with them.


People who have cattle should take them along. People should stay away from rivers that flow into the sea as the sea water will rush inland through these rivers.

They should leave low-lying coastal areas and head towards the interior.

They should listen to the radio or TV for the latest up date on the situation.


Question-5

State preparedness measures that should be taken before a tsunami.

Solution:
As tsunamis are natural disasters and cannot be prevented, the next best thing one can do is be prepared for the eventuality and ensure the safety all the people.

Tsunami prone areas can be identified by the government. People living in these areas should be educated about tsunamis. They should be informed about the evacuation routes in case a tsunami hits the coast.


Mock evacuation drills should be conducted periodically so that the people are aware of it.

The government should make arrangements for sufficient provision during emergency.

The people in these tsunami prone areas should know how to contact their friends or relatives who live in risk-free zones, in the event of a tsunami.


Question-6

What is a tsunami? Give a brief description of the tsunami that hit the Indian shores on 26th December , 2004.

Solution:
The term tsunami has been derived from the Japanese term ‘Tsu’ meaning harbour, and ‘nami’ meaning waves. Thus tsunami means ‘harbour waves’. Under water earth quakes and other disturbances cause these killer waves.

An undersea earthquake occurred on December 26, 2004, with an epicenter off the west coast of Sumatra, Indonesia. The earthquake triggered a series of devastating tsunamis along the coasts of most of the countries bordering the Indian Ocean. 225,000 people were killed in eleven countries.


Question-7

What are the precautions people living in tsunami prone areas should take?

Solution:
People living in tsunami prone areas should ensure that they live at a safe distance from the coast line. They should elevate their houses so that only a minimum damage is caused to property in the event of a tsunami.


They should live in houses that can with stand the onslaught of the killer waves.

A proper drainage system should be provided to ensure that there is no flooding of the surrounding areas.

People should have access to radio and TV, so that can be informed about impending danger. The most important thing is to follow the instructions given during emergency.


Question-8

What are the precautions people on land should take when tsunami warnings are given?

Solution:
When a tsunami warning is sounded, the whole family should immediately shift to a safer place. People should move to the upper floors of a multi-storied building. They should have disaster supplies kit with them.


People who have cattle should take them along. People should stay away from rivers that flow into the sea as the sea water will rush inland through these rivers.

They should leave low-lying coastal areas and head towards the interior.

They should listen to the radio or TV for the latest up date on the situation.





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