1Calculation of the ground motion generated by a finite source in stratified media: An extension of the point-source caseDi Haibin, Xu Lisheng425-4382Contemporary tectonic stress field on boundaries of active tectonic blocks in and around western ChinaHao Ping, Lü Xiaojian, Tian Qinjian, Fu Zhengxiang, Chen Dan439-4503Observation and study on the seismic phase SmS generated by 2011 Anqing Ms4.8 earthquakeHan Libo, Jiang Changsheng, Wu Wenbo451-4624Application of selective filtering non-staggered finite difference method to seismic wave simulationQiu Lei, Tian Gang, Wang Bangbing463-4755Conversion factors from volume to area strain in crustal strain observationZhang Lingkong, Niu Anfu, Wu Lijun476-4866Extraction of anomalous earthquake activity from the Haicheng seismicity window and estimation of prediction abilityXue Ding, Zhang Jianye, Zhao Aiping487-4937Aftershock duration of the 1976 Ms7.8 Tangshan earthquake and implication for seismic hazard estimationZhong Qiu, Shi Baoping494-5088Study on potential earthquake risk of unbroken active faults in the northern segment of the North-South seismic zoneMei Xiuping, Shao Zhigang, Zhang Langping, Feng Jiangang, Dai Wei509-5259Seismic hazard estimate using spatially smoothed seismicity model as spatial distribution functionXu Weijin, Gao Mengtan526-53610Statistical feature of epicenter accuracy of historical strong earthquakes and its effect on seismic hazard studyWu Qing, Gao Mengtan, Xu Weijin537-54811A new type of algorithm for rebuilding the trace of free-fall body in absolute gravimeter developmentWu Qiong, Teng Yuntian, Huang Dalun, Long Jianfeng549-55612The seiches and volcanic eruption triggered by the 6 October 1597 earthquake with M≥8 in the “Hunchun-Wangqing,Northeastern China, deep-focus seismic zone”Li Yuche, Shi Zhenliang, Cao Xuefeng557-57013Hybrid simulation of broadband ground motion: OverviewSun Xiaodan, Tao XiaxinReview571-57714Strong earthquake activity all over the world and strong-moderate earthquake activity within and near China (March-April, 2012)Chen PeishanReview578-579 