There have been a spate of major demonstrations on college campuses from California to Massachusetts over the past week
Besides, over 60 people have sustained injuries, said officials.
People rushed out of their houses and gathered at nearby open spaces after tremors were felt in the state again on Sunday at 12.40 p.m.
On Sunday, people were on the guard as the state government, meteorological department and disaster management departments had already sounded an alert.
On Saturday night, thousands of people in Patna spent sleepless night outside their houses following the quake earlier in the day.