An earthquake measuring 5.1 on the Richter scale that jolted the border of southwest China’s Yunnan and Sichuan provinces on Wednesday morning has affected more than 52,000 residents of Yunnan, local authorities said. Some 126 aftershocks have been recorded, the largest measuring 4.4 on the Richter scale, according to a statement from the disaster relief headquarters of Diqing Tibetan Autonomous Prefecture, Xinhua reported. No casualties have been reported, although the quake has destroyed dozens of houses, cut off road traffic and telecommunication in two counties, affecting 52,617 people, 5,000 of whom have been relocated, the statement said.