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प्रश्न
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. |
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उत्तर
| Column A | Column B |
| 1. Tsunami | (c) Harbour waves generated by oceanic earthquakes. |
| 2. Seismograph | (e) An instrument for recording the movement of earthquake waves. |
| 3. S-waves | (a) The waves that make the inhabitants feel the ground motion. |
| 4. Richter scale | (b) The instrument for measuring the intensity of earthquakes. |
| 5. Epicentre | (d) The point on the earth surface directly above the seismic focus. |
संबंधित प्रश्न
Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
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.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
State two natural causes of an earthquake.
What are known as seismic focus and epicenter with respect to an earthquake?
What is the difference between seismic focus and epicenter?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the instrument used to record Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Describe the main type of Earthquake Waves.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Give reasons for the following:
Internal processes are different from external processes.
Give reasons for the following:
Folding and faulting frequently go together.
Define Earthquake.
On an outline map of the world, mark the Pacific Ring of Fire
The earthquake is measured by the ______ scale.
How the earthquake can be recorded?
Name the point where the vibrations originate in an earthquake.
