hua bei ping yuan chen jiang di qu zhong li chang bian hua fen xi
Chen Sugai1) Chen Shaoxu1)Yao Yuzhi 2) Li Guangzhen 1)1) Seismoiogical Bureau of Hebei Province;Shijiazhuang 0500212) General Monitoring Station of Geological Environment of Hebei province;Shijiazhuang 050021
teng chong zuo hai gong zuo di zhen gou zao dai
Zhang Sichang1) Diao Guiling2)1) Seismological Bureau of Hebei Province;Shijiazhuang 050021 2) Seismological Bureau of Tianjin City;Tianjin 300201