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प्रश्न
Name three causes of Earthquakes.
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उत्तर
- Volcanic eruptions
- Tectonic causes
- Elasticity of Rocks
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.
Give reasons why an earthquake occurs.
What is called an earthquake?
State two natural causes of an earthquake.
What is an Earthquake?
Describe the world’s distribution of earthquakes.
Name the instrument used to record Earthquakes.
What was the cause of the Koyna earthquake in India?
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Give reasons for the following:
Internal processes are different from external processes.
The earthquake waves are recorded by an instrument known as ______.
Choose the odd one
Define Earthquake.
The earthquake is measured by the ______ scale.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
