Question

What are Tsunami waves? Explain the Tsunami surveillance systems. What are the measures can we take to mitigate the impact of Tsunamis?

Answer 1

Instructions:

• Explain Tsunami waves. 1 Mark
• Explain the aim of surveillance system and the ways surveillance takes place. 2 Marks.
• Write the mitigation measures. 2 Marks

Solution:
Tremor waves that originate due to earthquakes, volcanic eruptions, meteor impacts, etc on the ocean floor generate sea waves rising to several meters waves are called Tsunamis.
Tsunami Surveillance System
Tsunami surveillance and warning systems are widely in operation today. The aim of this system is to identify the areas prone to Tsunami and extend waring to the coastal areas to prevent loss of life
Example
A real time Tsunami monitoring system named Dart(Deep ocean Assessment and Reporting of Tsunami) has been established at various location.
Mitigation of Tsunami
The mitigation measures which we can take are:

• Recession in sea level may be an indicator of a Tsunami so one needs to move on to safer locations.
• Take official warnings seriously. Do not arrive at conclusion that the dangerous situation is over and always wait for an official declaration.
• If one gets trapped by Tsunami waves, one needs to try to escape holding any floating materials firmly.