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प्रश्न
Define Earthquake.
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उत्तर
A sudden movement of a portion of the earth’s crust which produces a shaking or trembling is known as an earthquake.
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संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
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:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
What are known as seismic focus and epicenter with respect to an earthquake?
Describe how earthquakes are caused on the surface of the earth.
What is an Earthquake?
Name the instrument used to record Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Describe the main type of Earthquake Waves.
Name the causes of earthquakes.
Name three causes of Earthquakes.
Give two major causes of earthquakes.
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Give reasons for the following:
Folding and faulting frequently go together.
Choose the odd one
On an outline map of the world, mark the Pacific Ring of Fire
Give a note on Tsunami 2004.
Name the point where the vibrations originate in an earthquake.
