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प्रश्न
How are earthquakes useful?
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उत्तर
Earthquakes cause energy release to put the earth in good shape; several landforms are uplifted to build large plains, e.g., Sagami Bay uplifted 200 m, and landslides cause the formation of lakes in the Himalayan region.
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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:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is called an earthquake?
State two natural causes of an earthquake.
What is known as the Richter scale?
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. |
What is an Earthquake?
How an earthquake is caused?
Name some Earthquakes which caused great damage.
Describe the main type of Earthquake Waves.
Name three causes of Earthquakes.
Give two major causes of earthquakes.
The magnitude of an earthquake is measured by ______.
Choose the odd one
What is Seismograph?
The earthquake is a ______ activity.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Choose the odd one.
focus, epicenter, vent, seismic waves
