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What are known as seismic focus and epicenter with respect to an earthquake?
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What is known as the Richter scale?
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How are earthquakes useful?
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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. |
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Describe how earthquakes are caused on the surface of the earth.
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Explain the three types of earthquake waves.
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What is the difference between seismic focus and epicenter?
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Is it possible to predict an earthquake? Give reasons to support your answer.
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How are earthquakes distributed over the globe?
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How is the intensity of an earthquake measured?
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What is an Earthquake?
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How an earthquake is caused?
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Describe the world’s distribution of earthquakes.
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Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
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Name the instrument used to record Earthquakes.
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Name some Earthquakes which caused great damage.
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Earthquakes occur in the Mid-Atlantic belt.
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What was the cause of the Koyna earthquake in India?
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Describe the main type of Earthquake Waves.
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Name the causes of earthquakes.
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