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प्रश्न
Name three causes of Earthquakes.
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उत्तर
- Volcanic eruptions
- Tectonic causes
- Elasticity of Rocks
संबंधित प्रश्न
Give a geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing, they were moving forward and backward.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
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. |
Explain the three types of earthquake waves.
What is the difference between seismic focus and epicenter?
Describe the world’s distribution of earthquakes.
Name the instrument used to record Earthquakes.
Why are earthquakes related to volcanoes?
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Choose the odd one
What is Seismograph?
The earthquake is a ______ activity.
An earthquake of magnitude ______ scale can cause damage from things falling.
Name the point where the vibrations originate in an earthquake.
What is the point of the earth’s surface directly above the focus called?
