Affiliation: | 1.Geophysical Institute—Branch of Federal Scientific Center Vladikavkaz Scientific Center, Russian Academy of Sciences, 362002, Vladikavkaz, Russia ;2.North Caucasian Production Geological Association, 357600, Essentuki, Russia ;3.Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, 123995, Moscow, Russia ;4.North Ossetian State University, 362025, Vladikavkaz, Russia ; |