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प्रश्न
What is Seismograph?
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उत्तर
The earthquake waves are recorded by an instrument known as seismograph.
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संबंधित प्रश्न
Give a geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing, they were moving forward and backward.
Arrange the following statements in chronological order in which an earthquake occurs.
- The earth’s surface vibrates.
- The plates suddenly move.
- Due to the movements in the mantle, compression goes on increasing.
- Along the weak points ( faultlines) rocks break apart.
- Stored energy is released in the form of seismic waves.
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
What is called an earthquake?
Describe how earthquakes are caused on the surface of the earth.
Is it possible to predict an earthquake? Give reasons to support your answer.
What is an Earthquake?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the instrument used to record Earthquakes.
Name some Earthquakes which caused great damage.
Why are earthquakes related to volcanoes?
Give reasons for the following:
Folding and faulting frequently go together.
The earthquake waves are recorded by an instrument known as ______.
The earthquake is measured by the ______ scale.
The earthquake is a ______ activity.
How the earthquake can be recorded?
