Question

how earth quack is happening?

Answer 1

hyy....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. ... When the rocks break, theearthquake occurs......

hope this helps !

Answer 2

eartquack occur when two different layers of rock bed called plates rub each other in opposite direction or some crack occur in any plate present inside crust.