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Question
Name the instrument used to record Earthquakes.
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Solution
The instrument used to record Earthquakes’ is called Seismograph.
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.
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
State two natural causes of an earthquake.
How are earthquakes useful?
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. |
What is the difference between seismic focus and epicenter?
Is it possible to predict an earthquake? Give reasons to support your answer.
How are earthquakes distributed over the globe?
Describe the world’s distribution of earthquakes.
What was the cause of the Koyna earthquake in India?
Name the causes of earthquakes.
Give two major causes of earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Seismology is the study of ______.
Choose the odd one
Give a note on Tsunami 2004.
An earthquake of magnitude ______ scale can cause damage from things falling.
Choose the odd one.
focus, epicenter, vent, seismic waves
