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प्रश्न
What is an Earthquake?
उत्तर १
The sudden mild or violent shaking of a part of the earth is called an earthquake. An earthquake is generally accompanied by a rumbling and tremors.
उत्तर २
An earthquake is tremor or convulsion of the earth’s crust due to sudden movement of the crust.
संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
Give geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing they were moving forward and backward.
Give reasons why an earthquake occurs.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is known as the Richter scale? State its uses.
How are earthquakes useful?
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.
Explain the three types of earthquake waves.
Is it possible to predict an earthquake? Give reasons to support your answer.
Describe the world’s distribution of earthquakes.
Describe the main type of Earthquake Waves.
Name three causes of Earthquakes.
Give reasons for the following:
Folding and faulting frequently go together.
Choose the odd one
What is Seismograph?
An earthquake of magnitude ______ scale can cause damage from things falling.
Choose the odd one.
focus, epicenter, vent, seismic waves
