SSC (English Medium) Class 8Maharashtra State Board
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Answer the Following in Your Own Words. - SSC (English Medium) Class 8 - Science

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Question

Answer the following in your own words.

Is there any relations between dam and earthquake? Explain.

Solution

The construction of dams creates a huge water reservoir in which a large portion of land is submerged. Thus, these dams cause excess water pressure in the micro-cracks and fissures in the ground near or under the reservoir. Due to this excess pressure, the water seeps into the ground and lubricates the rocks. In the worst scenario, when the water pressure is very high, the water reaches the fault planes and lubricates them. This lubrication reduces friction between the tectonic plates, thereby causing the slipping of plates over one another. Hence, in this way dams construction can trigger an earthquake.

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Science - General Science (2018 to Current)
Chapter 9: Disaster Management
Exercise | Q: 1.5 | Page no. 66
Solution Answer the Following in Your Own Words. Concept: Concept of Earthquake.
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