1The stress field and seismogenic structure in northern Hainan island based on current small earthquakesZhang Xindong, Wang Xiaoshan, Shen Fanluan, Zhang Xiaotao, Sun Qing, Diao Guiling451-4602Triggering mechanism of aftershocks triggered by Wenchuan Mw7.9 earthquakeShen Wenhao, Liu Boyan, Shi Baoping461-4763Analysis on remarkable precursory anormalies observed in Yunnan area before Wenchuan Ms8.0 earthquakeFu Hong, Zhao Xiaoyan477-4844An investigation on crustal anisotropy of Northeast China using Moho Ps converted phaseZhang Guangcheng, Wu Qingju, Li Yonghua, Pan Jiatie, Zhang Fengxue, Guan Jian485-4975Ionospheric disturbances before and after strong earthquakes based on DEMETER dataYah Rui, Wang Lanwei, Hu Zhe, Liu Dapeng, Zhang Xingguo, Zhang Yu498-5116Analysis of ELF and SLF electromagnetic field data measured by the DEMETER satelliteChen Enping, Lu Hong, Zhang Xuemin512-5197Activity characteristics of faults in the triangle structure area in northern part of Longmenshan in the Shaanxi-Gansu-Sichuan junctionDu Jianjun, Ma Yinsheng, Yin Chengming, Gong Mingquan520-5338Activity identification of the buried segment of Liangshan south margin fault in the west of Hanzhong basinLi Xiaoni, Feng Xijie, Ren Jun, Li Gaoyang, Li Miao, Wang Fuyun, Ji Jifa534-5429Calculation and analysis of seismic ground motion parameters for different engineering geological divisions of Chengdu basinRong Mianshui, Wang Shiyuan, Li Xiaojun, Lü Yuejun, Sheng Qiang, Huang Yahong, Fang Yi543-55210Rapid estimation of the probability of seismic intensity for affected counties based on attenuation relationshipFeng Jing, Gao Mengtan, Chen Kun553-56011Mixed-phase seismic wavelet extraction of SIMO system based on vector predictionWang Deying, Li Zhenchun, Zhang Fengqi, Dong Lieqian, Ding Chengzhen, Huang Jianping561-57212Research on spatial interpolation of earthquake disaster information based on geostatistics and DEMZheng Xiangxiang, Shuai Xianghua573-58313Preliminary investigation on the historical M8 earthquake occurred in 7 BC at Baotou, Inner MongoliaNie Zongsheng584-60314Review on numerical simulation of dynamic rupture process of earthquake sourceZhang Lifen, Yao YunshengReview604-61515Strong earthquake activity all over the world and strong-moderate earthquake activity within and near China (March-April, 2013)Chen PeishanReview616-618 