Contents

Journal of Volcanology and Seismology

Vol. 20, No. 2, 2026

Geomechanical Conditions of Seismic, Volcanic, and Hydrothermal Activity in Kamchatka

A. V. Kiryukhin and A. V. Solomatin p. 67  abstract

The Layered-Blocky Structure of the Pauzhetka Geothermal Field, Southern Kamchatka

S. O. Feofilaktov, S. N. Rychagov, I. A. Nuzhdaev, Yu. Yu. Bukatov, and I. F. Abkadyrov p. 81  abstract

Likely Sources of Lithium Mineralization in Intersalt Deposits and a Hydrogeological Model for the Angara–Lena Deposit of Commercial Lithium-Bearing Brine in the Siberian Platform

A. G. Vakhromeev, M. A. Danilova, E. V. Demidova, S. K. Kvachko, A. V. Kiryukhin, A. T. Korolkov, A. V. Sergeeva, A. V. Oshchepkova, A. V. Levin, A. P. Gorokhov, A. S. Tsoi, and V. V. Lukyanov p. 100  abstract

Hydrogeological Conditions and Discharge Regime of the Verkhne Paratunsky Thermal Springs

N. B. Zhuravlev, A. V. Kiryukhin, P. O. Voronin, A. V. Sergeeva, Bo Feng, I. A. Nuzhdaev, and Siqing He p. 114  abstract

Comparison between the Focal Mechanisms of Large Volcano-Tectonic Earthquakes Occurring at Shiveluch, Klyuchevskoi, and Plosky Tolbachik Volcanoes

M. V. Lemzikov p. 127  abstract

Magmatic System of Shiveluch Volcano from Seismic Data with Geomechanical Interpretation

A. V. Kiryukhin, O. V. Bergal-Kuvikas, and M. V. Lemzikov p. 136  abstract

The Use of Georadar and Gas Surveys for Identification of Discontinuities at the Monogenic Cone on the Khalaktyrsky Beach, Avachinsky Gulf, Kamchatka

O. V. Bergal-Kuvikas, V. Yu. Pavlova, R. R. Akbashev, and E. O. Makarov p. 164  abstract

Thermohydrodynamic Modeling of Well Operation of Chloride–Calcium Lithium-Bearing Brines

A. V. Kiryukhin, A. V. Sergeeva, A. G. Vakhromeev, M. A. Danilova, A. V. Gladyshkina, E. V. Kartasheva, M. A. Nazarova, A. A. Kuzmina, A. P. Gorokhov, A. S. Tsoy, and V. V. Lukyanov p. 175  abstract

Formation Conditions and Geothermal Resources of the Paratunka Geothermal Fields

A. V. Kiryukhin, N. B. Zhuravlev, S. V. Alekseenko, S. L. Elistratov, and D. N. Burnaykin p. 190  abstract

Three-Dimensional Thermohydrodynamic Model of the Mutnovsky Magma–Hydrothermal System

A. Yu. Polyakov and A. V. Kiryukhin p. 204  abstract

Indicator Signs of Hydrothermal Processes in the Rocks of Oil and Gas Complexes

M. A. Tugarova, V. S. Stepanova, and A. E. Gavrilov p. 211  abstract

Geothermal Resources and Thermal Capacity of Igneous Intrusions of the Mutnovsky Volcano: Modeling and Prospects for Expansion of the Mutnovsky Geothermal Power Stations

P. S. Sakharov, M. O. Sakharova, and K. A. Novoselov p. 219  abstract