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प्रश्न
Name the causes of earthquakes.
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उत्तर
- Volcanic eruptions
- Faulting
- Elasticity of rocks
- Local causes
- Apeiron, Genetic events.
संबंधित प्रश्न
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.
Give reasons why an earthquake occurs.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is called an earthquake?
State two natural causes of an earthquake.
What are known as seismic focus and epicenter with respect to an earthquake?
What is known as the Richter scale?
How are earthquakes useful?
Why are earthquakes related to volcanoes?
Answer the following:
A volcanic eruption is one of the main causes of 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.
What is Seismograph?
How the earthquake can be recorded?
Give a note on Tsunami 2004.
An earthquake of magnitude ______ scale can cause damage from things falling.
