Write any two causes and effect of earthquakes. 

2 Answers

Answer :

Causes of earthquake:

1. Movement of tectonic plates.

2. Volcanic eruptions.

3. Anthropogenic Sources.

4. Dams.

5. Use of explosives.

6. Sport games.

7. Injection & extrusion of fluids.

8. Removal of natural gases.

9. Landslide.

10. Avalanches. 

Effect of Earthquake :

1. Shaking & ground rupture.

2. Landslide & avalanches.

3. Fires.

4. Soil Liquefaction.

5. Tsunamis.

6. Human impacts.

7. Changing in the course of streams. 

Answer :

Causes of earthquake -

1. Volcanic eruption

2. Technical movements

3. Natural disaster like landslide, tsunami

4. Massive civil structures like dams, reservoirs

5. High water flows

6. Manmade explosions

Effects of earthquake -

1. Destruction of various Civil Engg. structures

2. Formation of irregularities (Unevenness) on ground

3. Sudden landslides along hill slopes

4. Change in river course

5. Formation of new lakes, springs

6. Generation of high ocean tidal waves

7. Fire exposure due to short circuiting

8. Loss of human life and property

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