Discussion on the essence of earthquake early warningZhang Chaojun, Chen Huizhong, Shen Ping, Li Ming, Zhao Guofeng154-160
Distribution research of recurrence interval for moderate-strong earthquake in the mainland of ChinaDeng Shiguang161-167
Analysis on the current situation and problems of construction and management of emergency shelter in cities of ChinaLi Haijun, Zhang Yaowen, Yang Yueqiao, Liu Jinghui168-175
Overview of the relocation of Yunxian Seismic Station in Yunnan ProvinceCao Bailun, Kuang Fujiang176-182
Determination of the focal mechanism solutions of the earthquakes with MS≥4.0 occurred in the mainland of China during February to March 2022Liang Shanshan, Zou Liye, Liu Yanqiong, Zhang Xuemei183-189