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Question
Name some Earthquakes which caused great damage.
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Solution
Some Earthquakes which caused serious damage to property and life are :
- Lisbon Earthquake of 1755
- South Carolina Earthquake of August 1886
- The Japan Earthquake of Oct. 28, 1891
- Kanga (Himachal Pradesh) Earthquake of April 1905
- Tokyo (Japan) Sep. 1923
- Quetta 1935
- Bihar 1934
- California Earthquake of April 1966
- Turkey Sep. 1975
- Iran 1968
- Peru 1970
- Tangshan (China) Earthquake of July 1976
- Broach Earthquake of 1970 affected part of Gujrat.
- Earthquake of 1988, had its epicentre near Darbhanga and affected parts of North Bihar, Nepal, and Bangladesh.
- The Bhuj earthquake of 2001 devastated many cities of Gujarat.
RELATED QUESTIONS
Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
Arrange the following statements in chronological order in which an earthquake occurs.
- The earth’s surface vibrates.
- The plates suddenly move.
- Due to the movements in the mantle, compression goes on increasing.
- Along the weak points ( faultlines) rocks break apart.
- Stored energy is released in the form of seismic waves.
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Name two man-made 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. |
Explain the three types of earthquake waves.
How are earthquakes distributed over the globe?
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.
Give two major causes of earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Folding and faulting frequently go together.
What is Seismograph?
An earthquake of magnitude ______ scale can cause damage from things falling.
