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《Fujian Seismology》 2004-04
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The Research on Relationship between the Present Change of Geomagnetic Field and near Earthquakes

Zheng Jianzhi Yang Peiqing Zhang Nianming (Longyan seismic station)  
According to the statistics method from Ding Jianhai, the paper carried out statistic analysis to CB-3 geomagnetic observing data in Longyan station since 1989, it was shown that before middle- stronger earthquakes in Longyan and its vicinities , the geomagnetic observing data in Longyan station that the different value curve between the actual observing value and normal multinomial fixing value when Z component the magnetic declination D exceed the lower limit of twice middle error, it is possible that middle and stronger earthquakes occurrence; the magnitude direct to the duration time;The epicenter is in 100km.
【CateGory Index】: P315.5
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