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प्रश्न
Name three causes of Earthquakes.
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उत्तर
- Volcanic eruptions
- Tectonic causes
- Elasticity of Rocks
संबंधित प्रश्न
Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
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:
About 70 percent of the earthquakes occur in the _________________ Belt.
How are earthquakes useful?
Match the Columns.
| Column A | Column B |
| 1. Tsunami | (a) The waves that make the inhabitants feel the ground motion. |
| 2. Seismograph | (b) The instrument for measuring the intensity of earthquakes. |
| 3. S-waves | (c) Harbour waves generated by oceanic earthquakes. |
| 4. Richter scale | (d) The point on the earth surface directly above the seismic focus. |
| 5. Epicentre | (e) An instrument for recording the movement of earthquake waves. |
Is it possible to predict an earthquake? Give reasons to support your answer.
How are earthquakes distributed over the globe?
How is the intensity of an earthquake measured?
Name the causes of earthquakes.
Why are earthquakes related to volcanoes?
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 magnitude of an earthquake is measured by ______.
Choose the odd one
What is Seismograph?
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
