NEW DELHI/SHIMLA - A moderate earthquake measuring 5.0 on the Richter scale hit Himachal Pradesh Aug 21 and the tremors were also felt in Delhi, an official said. The earthquake lasted a few seconds and no loss of life was reported. "The quake occurred at 1.41 p.m. The epicentre was Chamba-Kangra district in Himachal Pradesh," an official of the India Meteorological Department said. In Himachal,