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http://dx.doi.org/10.5467/JKESS.2014.35.6.429

Analysis of Geomagnetic Variations Related to Earthquakes Occurred in and Around the Korean Peninsula from 2009 until 2011  

Oh, Seokhoon (Department of Energy and Resources Engineering, Kangwon National University)
Ji, Yoonsoo (Department of Energy and Resources Engineering, Kangwon National University)
Publication Information
Journal of the Korean earth science society / v.35, no.6, 2014 , pp. 429-438 More about this Journal
Abstract
Recent three years of geomagnetic data were analyzed using a method of Principal Component Analysis (PCA) and Wavelet Based Semblance Analysis to investigate any geomagnetic variation caused by earthquakes. This method predicts the geomagnetic variation using the PCA analysis of geomagnetic data, then compares the predicted geomagnetic field with the observation of finding any significant residual. Although it is well known that geomagnetic variation is related with earthquake, most analyses have been limited to some specific cases reflecting the correlation. In this study, we analyze seventeen cases of earthquakes that occurred in and around the Korean peninsula from 2009 to 2011 and that show the precursory and co-seismic relation between the earthquakes and geomagnetic variations.
Keywords
geomagnetic variation; earthquake; precursor; co-seismic;
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Times Cited By KSCI : 4  (Citation Analysis)
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