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प्रश्न
What is Seismograph?
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उत्तर
The earthquake waves are recorded by an instrument known as seismograph.
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संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
Give reasons why an earthquake occurs.
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Name two man-made causes of an earthquake.
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.
How is the intensity of an earthquake measured?
Name some Earthquakes which caused great damage.
Earthquakes occur in the Mid-Atlantic belt.
Choose the odd one
Choose the odd one
How the earthquake can be recorded?
Give a note on Tsunami 2004.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
