An earthquake of 5.6 magnitude struck Assam at around 6:40 am on Sunday morning. Tremors were felt in Bhutan, Bangladesh, Nepal and eastern part of India.
The epicentre of the tremor was in Kokrajhar at a depth of 10 km on latitude 26.5 degree north and longitude 90.1 degree east, MET officials said.
The quake rattled doors and windows forcing people to rush out of their houses, police said.
There was no immediate report of any loss of life or damage to property, they said.