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The Chemical Composition of Ground Water in Observational Water Vents in the Petropavlovsk Geodynamic Test Site: The Classification and Effects of Large Earthquakes

Kopylova G.N., Guseva N.V., Kopylova Yu.G., Boldina S.V. (2018) The Chemical Composition of Ground Water in Observational Water Vents in the Petropavlovsk Geodynamic Test Site: The Classification and Effects of Large Earthquakes // Journal of Volcanology and Seismology. Vol. 12, No. 4. pp. 268-286. doi: 10.1134/S0742046318040048.

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Official URL: http://doi.org/10.1134/S0742046318040048

Abstract

This paper considers the chemical composition and classification of ground water at seven flowing wells and four springs using materials from the 2014 hydrogeochemical sampling and from continuous observations conducted by the Kamchatka Branch of the Geophysical Survey of the Russian Academy of Sciences (KB GS RAS) in 1989–1999. We estimated the saturation of ground water discharges at individual vents with alumosilicate, carbonate, and sulfate secondary minerals, following the behavior of saturation over time. We have found that the ground water undergoes an increase in the saturation with secondary minerals during large earthquakes that produced shaking of intensity I = 5–6 on the MSK-64 scale. Such changes in the saturation of ground water with secondary minerals are less pronounced during the precursory periods before earthquake occurrence. We discuss desirable future developments of the observational system at wells and springs in order to look for new types of hydrogeochemical precursors to earthquakes.
Item Type: Article
Title: The Chemical Composition of Ground Water in Observational Water Vents in the Petropavlovsk Geodynamic Test Site: The Classification and Effects of Large Earthquakes
Language: English
Journal or Publication Title: Journal of Volcanology and Seismology
ISSN Print: 0742-0463
Subjects: State scientific and technical information rubricator (ГРНТИ) > 37 ГЕОФИЗИКА > 37.31 Физика Земли > 37.31.19 Сейсмология
State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.61 Гидрогеология > 38.61.15 Динамика и режим подземных вод
State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.61 Гидрогеология > 38.61.17 Гидрогеохимия
State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.61 Гидрогеология > 38.61.19 Минеральные, термальные воды и рассолы
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Depositing User: С.В. Болдина
Date Deposited: 22 Apr 2019 22:16
Last Modified: 22 Apr 2019 22:20
URI: http://repo.kscnet.ru/id/eprint/3574

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