TY JOUR TI Modelling of Mantle-Crust Migrant Systems: A New Approach to Systems Analysis of Seismic Events KW mantle-crust migrants KW seismic events KW rheological barriers KW fluid-fracturing JO Russian Journal of Earth Sciences AU Vasiliev, V.I. AU Vasil'eva, E.V. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences