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प्रश्न
What is an Earthquake?
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उत्तर १
The sudden mild or violent shaking of a part of the earth is called an earthquake. An earthquake is generally accompanied by a rumbling and tremors.
उत्तर २
An earthquake is tremor or convulsion of the earth’s crust due to sudden movement of the crust.
संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
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:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is called an earthquake?
Name two man-made causes of an earthquake.
What are known as seismic focus and epicenter with respect to an earthquake?
Is it possible to predict an earthquake? Give reasons to support your answer.
How is the intensity of an earthquake measured?
Name the instrument used to record Earthquakes.
What was the cause of the Koyna earthquake in India?
Describe the main type of Earthquake Waves.
Name the causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Folding and faulting frequently go together.
Choose the odd one
Choose the odd one
Define Earthquake.
Give a note on Tsunami 2004.
