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प्रश्न
Name three causes of Earthquakes.
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उत्तर
- Volcanic eruptions
- Tectonic causes
- Elasticity of Rocks
संबंधित प्रश्न
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
State two natural causes of an earthquake.
Name two man-made causes of an earthquake.
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. |
Describe how earthquakes are caused on the surface of the earth.
Explain the three types of earthquake waves.
Describe the world’s distribution of earthquakes.
What was the cause of the Koyna earthquake in India?
Name the causes of earthquakes.
Give two major causes of earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Internal processes are different from external processes.
Give reasons for the following:
Folding and faulting frequently go together.
The magnitude of an earthquake is measured by ______.
The earthquake waves are recorded by an instrument known as ______.
Choose the odd one
The earthquake is measured by the ______ scale.
