..............page:301-308
..............page:309-323
..............page:325-331
..............page:333-341
V_r:A new index to represent the variation rate of geomagnetic activity
Dongmei Yang 1;Yufei He 1 Chuanhua Chen 2 and Jiadong Qian 3 1 Institute of Geophysics;China Earthquake Administration;Beijing 100081;China 2 Tai’an Magnetic Observatory;Earthquake Administration of Shandong Province;Tai’an 271000;China 3 Institute of Earthquake Science;China Earthquake Administration;Beijing 100036;China
..............page:343-348
..............page:349-355
..............page:357-368
..............page:369-375
Contemporary tectonic stress field in China
Yongge Wan 1;2;1 Institute of Disaster-Prevention Science and Technology;Yanjiao;Sanhe 065201;China 2 Institute of Geophysics;China Earthquake Administration;Beijing 100081;China
..............page:377-386
..............page:387-393