%0 Journal Article %T New Regional Geomagnetic Indices for the Russian Sector of the Geomagnetic Observation Network %A Vorobev, A.V. %A Pilipenko, V.A. %A Dobrovolsky, M.N. %A Kozyreva, O.V. %A Evdokimova, M.A. %A Kudin, D.V. %K Geomagnetic indices, substorm, geomagnetic variations, geoinduced currents %J Russian Journal of Earth Sciences %D 2026 %N 25 %P 0 %I Geophysical Center of the Russian Academy of Sciences