Affiliation: | 1.Kola Branch, Federal Research Center “Geophysical Survey of Russian Academy of Sciences”, 184209, Apatity, Russia ;2.Mining Institute, Kola Science Center, Russian Academy of Sciences, 184209, Apatity, Russia ;3.Kirovsk Branch, AO Apatit, 185250, Kirovsk, Russia ;4.Institute of Earthquake Prediction Theory and Mathematical Geophysics, Russian Academy of Sciences, 117997, Moscow, Russia ; |