3Geological distribution of earthquake type in Hebei area and its application in the emergency system of Capital area project23-27
4Discussion on the trend of horizontal movement of north China in current decade and the active risk area of earthquake28-33
5Study on the correlativity between geomagnetic S anomalies in the area of Huoshan "earthquake window" and the medium earthquakes in Southeast China34-39
6The tidal anomalies of groundwater level in Sanyuan well picked up with response ratio of loading and unloading method40-46