The mild intensity quake was recorded at 12.52 AM and its epicentre was located along the Meghalaya-Bangladesh border, officials at the observatory said.
There have been no reports of any damage or injury. A 6.8 magnitude tremor, epicentered on the Sikkim-Nepal border, was felt across north and east India last evening. It was followed by two aftershocks measuring 6.1 and 5.3 on the Richter scale.
Last evening's tremor was the biggest quake felt in the Northeast since 1988.