NEW DELHI: A mild tremor shook Himachal Pradesh on Monday night. According to the National Centre for Seismology, an earthquake of magnitude 3.9 struck Kangra in Himachal Pradesh at 9:28 pm. The quake occurred at a depth of 10 kilometres, with its epicentre recorded at latitude 32.23 N and longitude 76.38 E. Earlier in the day, an earthquake of 4.3 magnitude hit Assam’s Nagaon, marking the seventh tremor in the state this month and the third in the district, an official said.This is a developing copy.