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प्रश्न
Define Earthquake.
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उत्तर
A sudden movement of a portion of the earth’s crust which produces a shaking or trembling is known as an earthquake.
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संबंधित प्रश्न
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
What is called an earthquake?
State two natural causes of an earthquake.
Name two man-made causes of an earthquake.
What are known as seismic focus and epicenter with respect to 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.
Is it possible to predict an earthquake? Give reasons to support your answer.
How are earthquakes distributed over the globe?
How an earthquake is caused?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the instrument used to record Earthquakes.
Why are earthquakes related to volcanoes?
Give reasons for the following:
Folding and faulting frequently go together.
The earthquake waves are recorded by an instrument known as ______.
Seismology is the study of ______.
The earthquake is measured by the ______ scale.
How the earthquake can be recorded?
Choose the odd one.
focus, epicenter, vent, seismic waves
