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प्रश्न
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
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उत्तर
About 70 percent of the earthquakes occur in the Circum- Pacific-Mountain Belt.
संबंधित प्रश्न
Give a geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing, they were moving forward and backward.
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
State two natural causes of an earthquake.
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?
Describe the world’s distribution of earthquakes.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
What was the cause of the Koyna earthquake in India?
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Internal processes are different from external processes.
Seismology is the study of ______.
Choose the odd one
The earthquake is measured by the ______ scale.
The earthquake is a ______ activity.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
