Arunachal Pradesh was struck by a mild earthquake on Wednesay morning. The intensity of the quake was measured at 3.1 on the Richter scale.
Tremors were felt in the Lower Subansiri at 4.55 am.
The National Sismology Department said that the information about its epicentre was yet to be determined.
There was no preliminary information about any kind of damage to life or property.