Answers

2016-01-07T19:34:50+05:30
Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little.
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2016-01-07T19:40:05+05:30
When the rocks are cracked the vibrations occur. this is because of the techtonique plates moving causing earth to move.
this is earthquake
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