TY JOUR TI Seismicity of the Eastern Sector of the Russian Arctic During the Instrumental Period of Observations KW Russian Arctic KW Laptev Sea shelf KW seismicity KW earthquake catalogue KW seismic zoning JO Russian Journal of Earth Sciences AU Morozov, A.N. AU Vaganova, N.V. AU Asming, V.E. AU Fedorov, I.S. AU Peretokin, S.A. AU Altynbek uulu, T.. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences