Study on seismic anisotropy based on receiver function analysis at Yugan stationZha Xiaohui, Jiang Chunliang, Xiang Yuewen, Xiao Mengren, Wang Ganjiao1-6
Design and realization of calibration device for ground-water-level at Yongan seismic stationChen Meimei, Lin Huiqing, Liu Shuilian7-11
Analysis of geomagnetic anomalies before the Jianhe M5.5 earthquakeGuo Mingrui, Hu Jiuchang, Wang Xijiao, Ma Long, Wang Guidan, Zheng Zaizhuang12-17
National Earthquake Information Center strategic plan (2019—2023) by the U. S. Geological SurveySi Zhengya, Jiang Changsheng18-21
Principles of textual research on historical strong aftershocks and exploration of the catalogue revision plan ?A case study of the strong aftershocks of the Tancheng 8? earthquake in 1668Diao Shouzhong, Diao Ting, Li Xia, Shan Changlun, Li Hong22-34
Overview of the M6.3 earthquake in Albania on November 26,2019Zheng Ningning, Cheng Hui, Ma Xiudan35-38