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प्रश्न
Write the causes of the following:
Earthquakes
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उत्तर
Earthquakes can occur due to the following reasons:
- Volcanic eruptions – These are caused by sudden eruptions and the movement of magma beneath the Earth’s crust.
- Meteors falling on the Earth’s surface – These are rare events, but the impact of large meteors can cause earthquakes.
- Underground explosions (such as nuclear tests) – These are human-induced earthquakes, occurring due to explosions underground.
- Collapse of underground structures (like mines and tunnels) – These are caused by the sudden collapse of these structures, leading to small earthquakes.
- Mining and the construction of big dams – These are human activities that increase stress and pressure in rocks, leading to earthquakes.
संबंधित प्रश्न
Earthquakes can be predicted in advance.
How is the magnitude of the earthquake related to the collapse of houses?
Explain the types of seismic waves.
Is there any relations between dam and earthquake? Explain.
If a crowd gathers at the place of an earthquake, what would be the difficulties in relief work?
Name the major earthquakes of India from 1991 to 1997.
Mention some of the main effects of earthquakes.
Tsunami when did the Indian ocean attack the coastal area of Indonesia, India Srilanka, and Thailand.
Consider the following statement and choose the appropriate answer:
Assertion (A): A greater danger in an Earthquake is the falling of buildings.
Reason (R): Earthquake may cause changes in the earth’s surface
State whether the following statement is True or False.
The process of electric discharge cannot occur between clouds and the earth.
