Yu.A. Vinogradov, M.I. Ryzhikova, S.G. Poygina, N.V. Petrova, M.V. Kolomiets
Global earthquakes in the 2021 second half according to the GS RAS............................ 7

R.A. Dyagilev, P.G. Butyrin, K. Mackey, D. Burk, K. Burkhard, B. Wheeler, C. Witte, A.A. Dobrynina
Digitization of soviet peaceful nuclear explosion seismograms.................................... 28

R.A. Pashayan, D.K. Karapetyan, L.V. Arutyunyan, K.G. Tovmasyan, R.A. Karamyan
Geophysical monitoring of the geodynamic regime of Central Armenia........................ 41

K.Yu. Silkin
Estimation of the delay-fired explosion’s duration based on the wavelet analysis results of its seismogram........................................................................................................ 53

I.S. Fedorov, S.V. Asming, A.G. Goev, S.G. Volosov
Expansion of the seismological monitoring network on the Kola Peninsula.................. 63

A.A. Nikonov
Small notes on the works of the outstanding Russian seismologist Nikolai Vissarionovich Shebalin (on the occasion of his 95 anniversary) ................................. 73