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Question
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
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Solution
About 70 percent of the earthquakes occur in the Circum- Pacific-Mountain Belt.
RELATED QUESTIONS
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.
What are known as seismic focus and epicenter with respect to 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. |
Describe how earthquakes are caused on the surface of the earth.
What is the difference between seismic focus and epicenter?
How are earthquakes distributed over the globe?
Describe the world’s distribution of earthquakes.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name some Earthquakes which caused great damage.
What was the cause of the Koyna earthquake in India?
Name the causes of earthquakes.
Name three causes of Earthquakes.
Choose the odd one
Define Earthquake.
An earthquake of magnitude ______ scale can cause damage from things falling.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Name the point where the vibrations originate in an earthquake.
What is the point of the earth’s surface directly above the focus called?
