The type of energy that shakes the Earth during an earthquake is produced by_____.

The point at which a fault first ruptures in the Earth is called the _. 

From where earth quake waves are generated? 

Tsunami is: 

Which one of the following does not cause Earthquake? 

The point in the earth from which seismic waves spread out in all direction is:

Windows may rattle and people may feel tremor at scale of 

Vibrations radiate from focus in all direction as

Approximate range of earthquakes that occur each year is 

Poorly built buildings may collapse at a scale of