Super 50: Three mild tremors rock Himachal Pradesh

Three medium intensity earthquakes, epicentered in Kullu region of Himachal Pradesh today jolted the Himalayan state in span of nearly 20 minutes. According to National Centre of Seismology, a unit of Ministry of Earth Sciences, the first quake measuring 4.6 on Richter scale occurred at 6.44 AM at a depth of 10 kilometres. The second quake measured 4.3 at Richter scale occurred at 7.05 AM at the same depth.