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प्रश्न
Why are earthquakes related to volcanoes?
उत्तर
There is a close relationship between an earthquake and a volcano. Earthquakes and volcanoes occur in small belts, i.e. Mid world belt and Circum Pacific belt. Their distribution shows a similar pattern. Volcanic eruption leads to earthquakes. Volcanic eruptions are the local cause of earthquakes.
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.
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.
State two natural causes of an earthquake.
Explain the three types of earthquake waves.
What is the difference between seismic focus and epicenter?
How are earthquakes distributed over the globe?
How an earthquake is caused?
Name the instrument used to record Earthquakes.
What was the cause of the Koyna earthquake in India?
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
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.
The earthquake waves are recorded by an instrument known as ______.
Choose the odd one
The earthquake is measured by the ______ scale.
How the earthquake can be recorded?
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
