摘要
A strong earthquake happened along the boundary of Min County and Zhang County in Dingxi City,Gansu Province of China on the morning of July 22.The earthquake occurred at 07:45 Beijing Time with a magnitude of 6.6 at 34.5 degrees North latitude and 104.2 degrees East longitude,according to the China Earthquake Data Center.China Aerospace Science and Technology Corporation(CASC)responded quickly after the disaster occured and coordinated its various resources immediately for rescue and relief opera-
Astrong earthquake happened along the boundary of Min County and Zhang County in Dingxi City, Gansu Province of China on the morning of July 22. The earthquake occurred at 07：45 Beijing Time with a magnitude of 6.6 at 34.5 degrees North Iatitude and 104.2 degrees East longi- tude, according to the China Earthquake Data Center.
