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प्रश्न
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
उत्तर
A volcanic eruption is one of the main causes of earthquakes because volcanic earthquakes are caused by gas explosions. Such earthquakes occur either simultaneously with eruption or more commonly in the period preceding an eruption.
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संबंधित प्रश्न
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 ___________.
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.
Explain the three types of earthquake waves.
What is an Earthquake?
How an earthquake is caused?
Describe the world’s distribution of earthquakes.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the instrument used to record Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Name the causes of earthquakes.
Name three causes of Earthquakes.
Give reasons for the following:
Folding and faulting frequently go together.
Choose the odd one
The earthquake is measured by the ______ scale.
The earthquake is a ______ activity.
How the earthquake can be recorded?
Give a note on Tsunami 2004.
