TY JOUR TI Geophysical Imaging of the Crust for the Source Area of the Khastakh Earthquake (NE Margin of the Siberian Platform, Yakutia) KW gravity and magnetic fields KW Khastakh earthquake KW Siberian platform KW GIS INTEGRO JO Russian Journal of Earth Sciences AU Kulyandina, A.S. AU Filippova, A.I. AU Sokolova, E.Y. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences