On August 6, 2009, there was a period of about twenty minutes when the local mobile phone signal was interrupted after the earthquake. China News Service, August 5 -- Xinhua News Agency, Beijing, August 5, according to the National Earthquake Network, at 20:08 on August 5, 2009 (42.3 degrees north latitude, 127.2 degrees east longitude), a magnitude 4.6 earthquake occurred at the boundary of Jingyu County and Fusong County in Baishan City, Jilin Province....