G. N. Kopylova

Geophysical Survey of RAS (GS RAS) · Kamchatka Branch of the Geophysical Survey of RAS (KB GS RAS)

Seismo-hydrogeodynamic effects (SHGEs) in groundwater level (pressure) variations in a range of periods from minutes to hours and days during local and teleseismic earthquakes were considered based on the data of precision observations in a deep piezometric well located in a seismically active region. With the use of the tidal analysis and frequenc...

Based on the long-term observations of the wells on the Petropavlovsk-Kamchatsky Test Site, the Kamchatka Peninsula, the paper analyzes manifestations of three main types of seismohydrogeological effects-hydrogeological precursors, coseismic pressure jumps and postseismic effects of the vibrational impact of seismic waves in measurements of the pre...

По данным многолетних наблюдений на скважинах Петропавловск-Камчатского полигона, полу-остров Камчатка, рассматриваются проявления трех главных видов сейсмогидрогеологических эффектов-гидрогеологических предвестников, косейсмических скачков давления и постсей-смических эффектов вибрационного воздействия сейсмических волн в изменениях давления и хим...

A study of spatiotemporal variability and synchronization effects in continuous seismic records (seismic noise) on a network of 21 broadband seismic stations on the Kamchatka Peninsula was carried out in connection with the occurrence of strong earthquakes, М = 7.2-8.3. Data of 1-min registrations of the vertical movements velocity Earth's surface...

Anomalies in the ionic and gas composition of groundwater before earthquakes (hydrogeochemi-cal precursors, hereinafter HGCP) are considered according to data of systematic observations in ten self-flowing wells and springs in seismically active regions of Russia (Kamchatka Peninsula), Uzbekistan, Japan, and Iceland. Using an extended set of earthq...

A study of spatiotemporal variability and synchronization effects in continuous seismic records (seismic noise) on a network of 21 broadband seismic stations on the Kamchatka Peninsula was carried out in connection with the occurrence of strong earthquakes, М = 7.2-8.3. Data of 1-min registrations of the vertical movements velocity Earth's surface...

Рассматриваются аномалии в изменениях ионного и газового состава подземных вод перед землетрясениями (гидрогеохимические предвестники, далее ГГХП) по данным регулярных наблюдений в 10 самоизливающихся скважинах и источниках в сейсмоактивных районах России (полуостров Камчатка), Узбекистана, Японии и Исландии. С использованием расширенного набора па...

The relevance of the work is determined by the necessity to develop the hardware part of the seismic subsystem of the Large-Scale Research Facilities functioning at the Federal Research Center of the Geophysical Survey of the Russian Academy of Sciences to study seismic signals in groundwater pressure changes. For this purpose, the well monitoring...

Since 2011 the monitoring of the background seismic noise (BSN) statistical parameters is carried out with the use of continuous records from the network of 21 broadband seismic stations of the Geophysical Survey of the Russian Academy of Sciences. Daily maps of the spatial-temporal distribution of the BSN statistical parameters and graphs of media...

Аномальные изменения физико-химических параметров подземных вод перед землетрясениями, называются гидрогеологическими предвестниками (далее ГП). ГП обусловлены процессами подготовки землетрясений и могут использоваться для решения задач сейсмического прогнозирования, в первую очередь, для оценки времени сильных землетрясений [1, 21]. Для изучения Г...

Актуальным направлением исследований, особенно для высокосейсмичной территории Камчатского края и сопредельных районов Дальнего Востока России, является развитие методов обработки непрерывных сейсмических записей для повышения эффективности их использования в решении задач геофизического мониторинга и диагностики признаков подготовки сильных землет...

Проводится верификация гипотезы об аномальных изменениях метеопараметров на финальной стадии подготовки сильного землетрясения [2] на примере высокосейсмичного района Камчатки. Рассматривались вариации среднесуточных температур воздуха (Т) и атмосферного давления (АД) на метеостанции Пионерская Камчатского УГМС (Камчатский край, Елизовский район) с...

Мониторинг амплитудно-фазовых характеристик очень низкочастотных (ОНЧ) и низкочастотных (НЧ) радиосигналов по трассам, пересекающим сейсмоактивные области, рассматривается в качестве одного из перспективных методов краткосрочного прогноза сильных землетрясений [2]. Данные мониторинга амплитудно-фазовых характеристик ОНЧ/НЧ сигналов используются в з...

Многообразие откликов давления подземных вод при похождении сейсмических волн является широко обсуждаемым вопросом при проведении наблюдений в скважинах [1, 6, 8, 10, 11, 12]. Даже при одном и том же землетрясении в близко расположенных скважинах могут проявляться различные эффекты вибрационного воздействия в изменениях давления подземных вод – кол...

Repeated manifestations of hydrogeochemical anomalies in groundwater ion content variations before local strong earthquakes were recorded in three flowing wells of the Petropavlovsk-Kamchatsky test site. A model of changes in chemical composition of groundwater is considered using observational data and modeling of two waters mixing with contrastin...

The purpose of the study is generalization of data on the manifestations of hydrogeological earthquake precursors and volcanic activations based on long-term observations in the wells of the eastern part of the Kamchatka Peninsula. The main problem under consideration is the connection between the manifestations of hydrogeological precursors in sev...

The connection between the properties of seismic noise continuously recorded by the network of 21 broadband seismic stations in Kamchatka during nine years of observations (2011-2019) and the nonuniform rotation of the Earth is studied. The daily time series of median values calculated over all network stations are analyzed for three noise paramete...

A new technology for predicting strong earthquakes with a magnitude range of Mw about 7 and more is considered, based on the use of continuous recordings of seismic noise on a network of 21 broadband stations of the GS RAS in the region of the Kamchatka Peninsula, the Commander Islands and the Paramushir Island. The article is described a forecasti...

Hydrogeochemical precursors of the earthquakes (HGCP) in changes of ion-salt and gas composition of underground waters from self-discharging wells and springs on the territory of Petropavlovsk-Kamchatsky test site, Kamchatka Peninsula, Russia and Tashkent test site, Republic of Uzbekistan are considered. There has been analyzed the connection of HG...

The relevance of hydrogeological precursors (HGPs) study is justified by the need to obtain reliable information about the spatio-temporal manifestations and the relationships of HGPs with the parameters of subsequent earthquakes for seismic forecasting. In the review the data on repeated manifestations of HGPs before strong earthquakes obtained fr...

plenary report

The high-precision water level measurements with a sampling interval of 5-10 min were carried out in 1996-2017 in the YuZ-5 well, Kamchatka. In the obtained time series, water level variations caused by the passage of seismic waves (hydrogeoseismic variations-HGSV) during 19 earthquakes with М w = 6.8-9.1 which occurred at epicentral distances of 8...

В скважине ЮЗ-5, Камчатка, в 1996–2017 гг. проводились прецизионные измерения уровня воды с периодичностью 5–10 мин. В полученном ряду данных выделены вариации уровня воды, вызван- ные прохождением сейсмических волн (гидрогеосейсмические вариации – ГГСВ) при 19-ти земле- трясениях с Мw = 6.8–9.1, произошедших на эпицентральных расстояниях 80–14.6 т...

The effects of 19 earthquakes (Mw = 6.8−9.0, epicentral distances 80–14600 km) are considered on data of long-term precision water level observations in the YuZ-5 well, Kamchatka Peninsula. Four types of water level variations were identified: I—oscillations, II—oscillations with short-term rise, III—short-term rises, IV—long-term decreases. Manife...

Камчатским филиалом Федерального исследовательского центра «Единая геофизическая служба РАН» (КФ ФИЦ ЕГС РАН) и ОАО Камчатгеология проводились наблюдения за вариациями уровня воды в скважинах с периодичностью 5-10 минут с использованием цифрового оборудования. В результате наблюдений 1997-2010 гг. были зарегистрированы разнообразные гидрогеосейсмич...

A new method is presented for statistical analysis of long-term time series of water level observations aimed at distinguishing short-term disturbances; observation data from the YuZ-5 well, located in the Petropavlovsk Geodynamic Test Area, eastern Kamchatka, are considered. These data (from July 27, 2012, to February 1, 2018) are remarkable for t...

The examples of modeling hydrogeochemical anomalies recorded in the observation wells and sources of Kamchatka caused by the preparation of strong local earthquakes and the impact of seismic waves are considered. As a working hypothesis explaining the formation of such anomalies, assumptions about the change of conditions (1) of mixing of two water...

This paper is concerned with the main stages in the setting-up and technical development of a system specializing in physical and chemical parameters of groundwater at a network of wells and springs in the Petropavlovsk Geodynamic Test Area, Kamchatka. The focus is on a description of hydrogeochemical and hydrogeodynamic precursors to Kamchatka ear...

Рассматриваются основные этапы организации и технического развития системы специализированных наблюдений за физико-химическими параметрами подземных вод на сети скважин и источников на территории Петропавловского геодинамического полигона, Камчатка. Основное внимание уделяется описанию гидрогеохимических и гидрогеодинамических предвестников камчатс...

This paper is concerned with the main stages in the setting-up and technical development of a system specializing in physical and chemical parameters of groundwater at a network of wells and springs in the Petropavlovsk Geodynamic Test Area, Kamchatka. The focus is on a description of hydrogeochemical and hydrogeodynamic precursors to Kamchatka ear...

Представлен новый метод статистического анализа уровнемерных данных, нацеленный на выделение кратковременных возмущенных состояний наблюдательной скважины, на примере данных наблюдений в скважине ЮЗ-5, Восточная Камчатка. Используемые данные примечательны своей детальностью – интервал измерений уровня и атмосферного давления составлял 5 минут, чувс...

Камчатский филиал ФИЦ «Единая геофизическая служба РАН» (КФ ФИЦ ЕГС РАН) проводит длительные наблюдения в пьезометрических скважинах в целях поиска гидрогеодинамических предвестников землетрясений и других сигналов современной геодинамической активности в изменениях давления подземных вод. Наиболее длинные ряды данных получены по вариациям уровня в...

The strong MW 6 .7 e arthquake occurred on October 13, 2018 at 11:10 UTC (23:10 local time) in the Sea of Okhotsk at a depth of ~500 km. According to the Kamchatka Branch of Geophysical Survey of the Russian Academy of Sciences (KB GS RAS), the epicenter of the earthquake was located ≈320 km to west of Petropavlovsk-Kamchatsky and ≈160 km from the...

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 estimat...

30.08.2017 г. Рассматриваются особенности химического состава и типизация подземных вод семи самоизлива-ющихся скважин и четырех источников с использованием материалов гидрогеохимического опро-бования в 2014 г. и данных режимных наблюдений КФ ФИЦ ЕГС РАН в 1989-1999 гг. Приводятся оценки насыщенности подземных вод отдельных водопроявлений алюмосили...

The results of the long (2011-2016) investigation of background seismic noise (BSN) in Kamchatka by the method suggested by Doct. Sci. (Phys.-Math.) A.A. Lyubushin with the use of the data from the network of broadband seismic stations of the Geophysical Survey of the Russian Academy of Sciences are presented. For characterizing the BSN field and i...

The network of broadband seismic stations of Geophysical Service (Russian Academy of Science) works on the territory of Kamchatka peninsula in the Far East of Russia. We used continuous records on Z-channels at 21 stations for creation of background seismic noise time series in 2011–2017. Average daily parameters of multi-fractal spectra of singula...

This paper describes the water level variations in wells YuZ-5 and E-1 in Kamchatka during the Zhu-panovsky earthquake that occurred on January 30, 2016 (Mw=7.2, Н=180 km). The distances from the Zhupanovsky earthquake epicenter to wells E-1 and YuZ-5 were 70 and 80 km, respectively. In well YuZ-5, the water level raised by 9.4 cm during 45 minutes...

The hardware complex that was produced by OOO Polynom, Khabarovsk, for registration of the level, temperature, and electrical conductivity of ground water in wells and meteorological parameters (atmospheric pressure, air temperature) at a measurement frequency from 5 min to 1 h is described. The equipment is installed in the wells of Kamchatka and...

In the Yuz-5 well since 1996, water level measurements are made with a frequency of 10 - 5 minutes. In the obtained data, water level variations caused by the passage of seismic waves from 18 earthquakes with magnitudes Mw = 6.8-9.1, which occurred at distances from 100 to 14 thousand km, are distinguished. Four types of variations in the water lev...

In the Yuz-5 well since 1996, water level measurements are made with a frequency of 10 - 5 minutes. In the obtained data, water level variations caused by the passage of seismic waves from 18 earthquakes with magnitudes Mw = 6.8-9.1, which occurred at distances from 100 to 14 thousand km, are distinguished. Four types of variations in the water lev...

The network of broadband seismic stations of Geophysical service RAS works on the territory of Kamchatka peninsula in the Far East of Russia. We used continuous records on Z-channels at 21 stations for creation of background seismic noise time series in 2011-2016 with sampling 1 minute. Average daily parameters of multi-fractal spectra of singulari...

Data on changes of water levels in wells UZ-5 and E-1, Kamchatka, during the period of Zhupanovsky earthquake January 30, 2016, Mw=7.2 are presented. In the changes of water level in well E-1 consistently emerged hydrogeodynamic precursor in the form of water level decrease with the increased velocity and postseismic increase with the amplitude of...

The paper presents a comparison of assessments of coseismic deformation caused by two strong earthquakes, which occurred in Kamchatka on February 28, 2013, at MW = 6.8 and 24.05.2013, at MW = 8.3: according to data on water-level observations in the well UZ-5 and according to the model of extended source of dislocation in a homogeneous isotropic el...

В работе дано описание аппаратурного комплекса для регистрации уровня, температуры, электропроводности подземной воды в скважинах и метеорологических параметров (атмосферное давление, температура воздуха) с периодичностью измерений от 5 минут до одного часа производства ООО Полином, г. Хабаровск. Оборудование установлено на скважинах Камчатки и исп...

On the example of Kamchatka strong earthquake 24 may 2013 (M=8.3) occurred at a distance of 600 km from wells UZ-5 and 1309, examines the results of point estimates of coseismic volumetric strain on data of water level . Adduce a comparison of the estimated deformation obtained for the amplitudes jumps of water level during the earthquake, and from...

Two methods of estimating of a coseismic volume deformation at the earthquake of 28th February 2013, Mw=6.8 occurred near the east coast of the Kamchatka Peninsula are discussed and compared: 1 - according to data of water-level observations in the well UZ-5 and 2 - according to model of extended source of dislocation in a homogeneous isotropic ela...

Examines the effect of earthquakes on the change of observed groundwater regime parameters in the wells with the possibility of assessing the extent and significance of these changes in a broad range of problems of hydrogeology, geo-ecology and seismic forecasting. The basis of the work is specialized observation wells on the territory of the Petro...

The paper discusses the characteristics of water chemistry 11 operating springs and flowing wells of the Kamchatka branch of the geophysical service RAS (KB GS RAS), according to hydrogeochemical sampling, done in 2014. Using hydrogeochemical data of regular observations 1989-1999 shows that the saturation of the groundwater, secondary minerals inc...

The article presents the results of the development of new technology for seismic hazard estimate in Kamchatka using prognostic properties of the low-frequency noise recorded at the broadband network stations. The article shows the description of the algorithms for obtaining of 8 statistical parameters, which characterize the spatial and temporal v...

The paper presents precise data on water level variations in a well of UZ-5 (Kamchatka), due to a local earthquake of 28.02.2013 (M =6.8), occurred at distance of 290 km. As a result of this earthquake has been registered the short-term water level increase, replaced his long decrease (within 1.5 months). On the basis of results of modeling are con...

We consider the results of the statistical analysis using the methods of the principal components and canonical coherences applied to the processing of long (1986–2005) time series of hydrogeochemical observations at the flowing wells and springs in Kamchatka. The time-frequency diagrams of the evolution of informative statistics characterizing the...

The paper presents processing methods of data from level observations in the wells to estimate the elastic parameters of the water-bearing rocks using the values of barometric efficiency and water level tidal sensitivity. The application of this method is stipulated by presence of static-confined response of water level in the well within time peri...

Рассматриваются изменения уровня воды в скважине Е-1 за период времени с мая 2006 по 2010 гг. С середины 2006 по декабрь 2009 гг. в скважине развивался тренд повышения уровня с аномально высокой скоростью. Такое повышение уровня рассматривается как реакция резервуара газонасыщенных подземных вод в вулканогенно-осадочных отложениях Авачинской вулкан...

Рассматриваются изменения уровня воды в скважине Е-1 за период времени с мая 2006 по 2010 гг. С середины 2006 по декабрь 2009 гг. в скважине развивался тренд повышения уровня с аномально высокой скоростью. Такое повышение уровня рассматривается как реакция резервуара газонасыщенных подземных вод в вулканогенно-осадочных отложениях Авачинской вулкан...

We discuss the water-level variations in the E-1 well for the time period between May 2006 and 2010, inclusive. A trend towards an increasing level at an abnormally high rate occurred from mid-2006 to December 2009. This increase is regarded as the response of the aquifer of gas-saturated ground water that exists in the volcanogenic-sedimentary dep...

Fall of water table with amplitudes 11 and 1 cm were registered in the wells UZ-5 and E-1, Kamchatka, within three weeks before the 5th December, 1997 Kronotsky earthquake, Mw=7.8. Such decreases of water level defined as hydrogeodynamic precursor of the earthquake, developed synchronously with horizontal displacements of the GPS-stations located a...

Abstract. The anomalies in groundwater chemistry due to the 2d March 1992 Kamcatkan earthquake (Mw=6.9) are analyzed taking into account the physical mixing of two chemically contrast fluids in waterbearing stratum connected with the flowing wells Moroznay-1 and Pinachevo-GK-1, Kamchatka. Precursory and postseismic changes were marked out in time s...

The impact of seismic waves from distant very large earthquakes can be accompanied by various changes in the groundwater mode. Such effects are observed at distances up to thousands of kilometers from the epicenter and indicate a change in the stress-strain state of geological environment. One of the methods of geophysical monitoring of seismically...

Data from the literature were used to systematize intermediate-term (with advance times of 1 month to ∼2.5 years) precursors to the M ≥ 6.6 Kamchatka earthquakes of 1987–2004. The precursors were observed as changes in seismological, geodetic, geophysical, water-level, and hydrochemical parameters. Retrospective assessment of the information conten...