An earthquake of moderate intensity of 5.6 on the Richter Scale rocked Assam, including its capital Guwahati, at 6.35 am today.
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 the 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.