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प्रश्न
Describe the main type of Earthquake Waves.
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उत्तर
Earthquake Waves:- Earthquake waves travel in all directions from the Focus. There are three types of earthquake waves :
- Longitudinal Waves: These are known as Primary Waves ‘P’
- Transverse Waves: These are known as Secondary Waves ‘S’.
- Surface Waves: These are called Long Waves or ‘L’ Waves.
संबंधित प्रश्न
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.
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
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.
Name two man-made causes of an earthquake.
How are earthquakes useful?
What is the difference between seismic focus and epicenter?
What is an Earthquake?
How an earthquake is caused?
Describe the world’s distribution of earthquakes.
Name the causes of earthquakes.
Give two major causes of earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
On an outline map of the world, mark the Pacific Ring of Fire

The earthquake is measured by the ______ scale.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Choose the odd one.
focus, epicenter, vent, seismic waves
