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प्रश्न
Why are earthquakes related to volcanoes?
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उत्तर
There is a close relationship between an earthquake and a volcano. Earthquakes and volcanoes occur in small belts, i.e. Mid world belt and Circum Pacific belt. Their distribution shows a similar pattern. Volcanic eruption leads to earthquakes. Volcanic eruptions are the local cause of earthquakes.
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.
What is known as the Richter scale?
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. |
What is the difference between seismic focus and epicenter?
Is it possible to predict an earthquake? Give reasons to support your answer.
What is an Earthquake?
Describe the world’s distribution of earthquakes.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Name the causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
What is Seismograph?
On an outline map of the world, mark the Pacific Ring of Fire
The earthquake is measured by the ______ scale.
Choose the odd one.
focus, epicenter, vent, seismic waves
