Kang Jian;Wang Zhuo;Huang Yan;Liu Shuang;Sun Haifeng;Miu Xiangcai;Earthquake Administration of Heilongjiang Province;Earthquake Administration of Daqing City;
Cai Lingling;Guo Qiuna;Wang Xiaoshan;Wen Chao;Li Dongsheng;Wang Yanrong;Chang Liang;Earthquake Administration of Hebei Province;Qinhuangdao Centre Seismic Station;