Advertisements
Advertisements
प्रश्न
The earthquake waves are recorded by an instrument known as ______.
उत्तर
The earthquake waves are recorded by an instrument known as seismograph.
APPEARS IN
संबंधित प्रश्न
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.
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
What is 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.
How are earthquakes distributed over the globe?
How is the intensity of earthquakes measured? What instruments are used?
Name the instrument used to record Earthquakes.
Name the causes of earthquakes.
Why are earthquakes related to volcanoes?
Give two major causes of earthquakes.
Give reasons for the following:
The Belts of volcanic activity and earthquakes are roughly the same.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
The magnitude of an earthquake is measured by ______.
Seismology is the study of ______.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
