S.M. Babushkin, N.N. Nevedrova, V.S. Seleznev, A.V. Liseikin
Electromagnetic research in the Altai-Sayan mountain region  ....................................  7

A.F. Emanov, A.A. Emanov, A.V. Fateev, V.M. Soloviev, E.V. Shevkunova, E.A. Gladyshev,
I.A. Antonov, D.G. Korabelshchikov, V.G. Podkorytova, V.V. Yankaitis, S.A. Elagin,
N.A. Serezhnikov, A.V. Durachenko, A.I. Artemova
Seismological studies in the Altai-Sayan mountain region  .........................................  20

A.S. Zvereva, A.I. Klianchin, I.P. Gabsatarova
Earthquake on December 12, 2020 in the Anapa zone
with Mw=3.8, I0=4–5 ................................................................................................  52

Kh.D. Magomedov, D.G. Taimazov, Z.A. Adilov, M.G. Magomed-Kasumov
Results of complex seismological, geophysical and geochemical researches
on the territory of the Republic of Dagestan in 2016-2020 .........................................  67

A.A. Sayapina, S.S. Bagaeva, I.Yu. Dmitrieva, S.V. Gorozhantsev
Results of seismological observations on the territory of the Republic
of North Ossetia–Alania and adjacent areas in 2020 ..................................................  86