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प्रश्न
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
उत्तर
Most earthquakes occur on account of the strain in the earth’s crust.
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संबंधित प्रश्न
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Name one man-made cause of an earthquake.
What is known as seismic focus and epicenter with respect to an earthquake?
What is known as the Richter scale? State its uses.
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. |
Explain the three types of earthquake waves.
How is the intensity of earthquakes measured? What instruments are used?
Name the instrument used to record Earthquakes.
Name three causes of Earthquakes.
Give reasons for the following:
The Belts of volcanic activity and earthquakes are roughly the same.
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
The earthquake waves are recorded by an instrument known as ______.
Define Earthquake.
The earthquake is measured by the ______ scale.
The earthquake is a ______ activity.
How the earthquake can be recorded?
Name the point where the vibrations originate in an earthquake.
