Advertisements
Advertisements
प्रश्न
What are known as seismic focus and epicenter with respect to an earthquake?
Advertisements
उत्तर
The point of origin of earthquake waves is called the seismic focus, and the center vertically above the seismic focus nearest to the earth’s crust is called the epicenter.
APPEARS IN
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:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is the difference between seismic focus and epicenter?
How is the intensity of an earthquake measured?
What is an Earthquake?
How an earthquake is caused?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the instrument used to record Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
What was the cause of the Koyna earthquake in India?
Why are earthquakes related to volcanoes?
Seismology is the study of ______.
Choose the odd one
The earthquake is measured by the ______ scale.
An earthquake of magnitude ______ scale can cause damage from things falling.
