Contents

Izvestiya, Physics of the Solid Earth

Vol. 57, No. 6, 2021

On the Connection between the 2008–2009 Activation of the Koryakskii Volcano and Deep Magmatic Processes

V. O. Mikhailov, M. S. Volkova, E. P. Timoshkina, N. M. Shapiro and V. B. Smirnov p. 819  abstract

GPS Kinematics of the Northern Part of the Eurasian Continent and Its Possible Geodynamic Interpretation

V. I. Shevchenko, I. S. Krupennikova and A. A. Lukk p. 825  abstract

Effect of Meteorological Conditions on Tectonic Deformations in Hourly Period Range

G. A. Sobolev, N. A. Zakrzhevskaya and I. N. Migunov p. 834  abstract

Deep Structure and Dynamics of the Central Balkan Peninsula from Seismic Data

L. P. Vinnik, G. D. Georgieva, S. I. Oreshin, L. I. Makeyeva, D. N. Dragomirov, V. D. Buchakchiev and L. D. Dimitrova p. 849  abstract

Transition Zone from the Siberian Craton to the Verkhoyansk-Kolyma Folded System According to Seismic Data (Reference 3-DV Profile)

V. D. Suvorov and E. A. Melnik p. 864  abstract

An Investigation into the Earthquake Migration Patterns in Marmara Region, Turkey

Dr. Hakan Karaca p. 878  abstract

1838 Deep Carpathian Earthquake

N. G. Mokrushina, R. E. Tatevossian and R. N. Vakarchuk p. 886  abstract

Nanocracks upon Fracture of Oligoclase

V. I. Vettegren, A. V. Ponomarev, R. I. Mamalimov and I. P. Shcherbakov p. 894  abstract

Ultra-Low Geomagnetic Field Intensity in the Devonian Obtained from the Southern Ural Rock Studies

V. V. Shcherbakova, G. V. Zhidkov, V. P. Shcherbakov, I. V. Golovanova, K. N. Danukalov and R. Yu. Salmanova p. 900  abstract

The Properties of Thermochemical Remanent Magnetization Acquired by Slow Laboratory Cooling of Titanomagnetite-Bearing Basalt Samples from Different Temperatures and the Results of the Thellier Method

S. K. Gribov, V. P. Shcherbakov, V. A. Tsel’movich and N. A. Aphinogenova p. 913  abstract

Variations of the Ionospheric Plasma Parameters Observed by the Ionosonde and Magnetic Station in the Range of Periods of Planetary Waves

S. A. Riabova and S. L. Shalimov p. 927  abstract

Desert Noise Suppression for Seismic Data Based on Feature Enhancement Denoising Network

Juan Li, Ran An, Yue Li and Yuxing Zhao p. 935  abstract

An Empirical Model for Significant Duration of the Ground Motions Containing Velocity Pulses

Masoud Daryoushi, Hamid Saffari and Abbas Mahdavian p. 950  abstract

Multi-Method Study on Seismogenic Structure of Rushan Earthquake Sequence in Shandong Province, China

Fangbin Liu, Qingjie Miao and Junhao Qu p. 965  abstract

Review and Proposed Method to Study the Damage Orientation of Earthquake Effects in Pre-Instrumental Earthquakes

Fidel Martín-González p. 980  abstract

Discussions

On the Correlation of Earthquakes with Geomagnetic Storms

A. V. Guglielmi, B. I. Klain and N. A. Kurazhkovskaya p. 994  abstract