Geophysical Journal | 2013 volume 35 1

Induction vector variations in Japan

© V.I. Babak, T.A. Klimkovich, I.I. Rokityanskiy, A.V. Tereshyn

Recent results provide evidence for the existence of variations in induction vectors associated with geodynamic processes including earthquakes and volcanic activity. We can suppose that earthquakes (EQ) and volcano eruption precursors have an aperiodic temporal regime appearing once or several times before EQ. Data of processing of 3 components of geomagnetic field in 17 Japanese observatories are presented by temporal sets of induction vector components. For 4 observatories near to catastrophic Tohoku earthquake of 11.03.2011 the variations of induction vectors are presented.

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