North China Earthquake Sciences Articles

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1The mechanism of shallow layers anomaly caused by groundwater and its related question in earthquake prediction1-10

2Analysis on the characteristic of seismicity anomalies before medium earthquakes in Capial Zone11-14

3Comparison and analysis for digital and analogue observation of groundwater level15-21

4Characteristics of earthquake active interval in Hebei and its neighboring area22-31,62

5Analysis on the feature of seismicity in the joint area of Shandong,Anhui,and Henan Province32-38

6The water mercury anomalies before Shacheng ML4.4 earthquake occurred on Aug.3,200239-42

7Study on the anomalies recorded by VS perpendicular pendulum43-45

8Characters of Gravity Change in North China surveying Network and its Correspondence with medium and strong Earthquake46-51

9Comparison of earthquake magnitude given by digital and analogue observation on the same station in Shanxi digital network52-56

10Processing Program for the hour data of geothermal observation57-59

11Observational technology for Fluxion Water level used in Ji 5th well of Shijiazhuang City60-62

12The general situation of seismicity in North China and Hebei area in 200263-64