Risk assessment of the extreme interplanetary shock of 23 July 2012 on low-latitude power networks
Jiaojiao Zhang1, Chi Wang2, Tianran Sun3 and Ying D. Liu3, (1)National Space Science Center, Chinese Academy of Sciences, Beijing, China, (2)NSSC, CAS, Beijing, China, (3)NSSC National Space Science Center, CAS, Beijing, China