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प्रश्न
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
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उत्तर
Seismograph
संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
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:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
What is called 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. |
What is an Earthquake?
Describe the world’s distribution of earthquakes.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Why are earthquakes related to volcanoes?
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Define Earthquake.
What is Seismograph?
The earthquake is a ______ activity.
How the earthquake can be recorded?
What is the point of the earth’s surface directly above the focus called?
