The quake has been confirmed by the US based USGS website which records earthquake hazards all over the world.
As per site the epic centre of the quake was 31.210°N, 77.871°E which lies in Rohru area of Shimla district and bordering areas of Uttrakhand.
An official statement on the quake is awaited.
Severe tremors were reported in Rohru town and entire hilly regions of Shimla district. Details of damages if any are awaited.
(The story is based on active tweets on Twitter and followed by Himachal Live as the tremors were felt in the Shimla hills today afternoon)