A mild intensity earthquake of magnitude 2.8 -- with its epicentre in Himachal Pradesh's Kinnaur -- hit the state at 12:51 am on Wednesday, but no damage was reported, officials said.
Earlier, tremors were felt in almost all parts of the state around 10:17 on Tuesday night following a 6.6 magnitude earthquake whose epicentre was in Afghanistan's Hindu Kush area at a depth of 156 km.
People in Shimla, Mandi and several other places ran out of their houses in panic but no loss of life or property has been reported so far, the officials said.
Tremors were felt in all the 12 districts of the state but no loss of life or damage to property has been reported, Special Secretary Disaster Management Sudesh Mokta had told The PTI.
In the past 24 hours, more than 10 earthquakes were witnessed in India and the nearby region. Their magnitude was between three and four, he added.