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प्रश्न
Name the causes of earthquakes.
उत्तर
- Volcanic eruptions
- Faulting
- Elasticity of rocks
- Local causes
- Apeiron, Genetic events.
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संबंधित प्रश्न
Give 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 giant sea waves caused by earthquakes in the oceans are called ___________.
Name one man-made cause of an earthquake.
What is known as the Richter scale? State its uses.
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?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Why are earthquakes related to volcanoes?
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Internal processes are different from external processes.
Give reasons for the following:
Folding and faulting frequently go together.
The earthquake waves are recorded by an instrument known as ______.
Define Earthquake.
What is Seismograph?
On an outline map of the world, mark the Pacific Ring of Fire
An earthquake of magnitude ______ scale can cause damage from things falling.
