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प्रश्न
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
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उत्तर
Most earthquakes occur on account of the strain in the earth’s crust.
संबंधित प्रश्न
Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
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 ___________.
State two natural causes of an earthquake.
Name two man-made causes of 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. |
How an earthquake is caused?
Earthquakes occur in the Mid-Atlantic belt.
Describe the main type of Earthquake Waves.
Why are earthquakes related to volcanoes?
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Give reasons for the following:
Internal processes are different from external processes.
Seismology is the study of ______.
The earthquake is a ______ activity.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
